Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

Total Nitrogen Laboratory Determination Method

Total Nitrogen Laboratory Determination Method, Total:284 items.

The international standard classification for "Total Nitrogen Laboratory Determination Method" includes: Fertilizers , Chemical reagents , Plastics , Soil quality and pedology in general , Edible oils and fats. Oilseeds , Test conditions and procedures in general , Plastics in general , Installations and equipment for waste disposal and treatment .

The Chinese standard classification for "Total Nitrogen Laboratory Determination Method" includes: Chemical fertilizer and chemical soil conditioner , Chemical reagent in general , Basic standards and general methods on chemical fertilizers , Basic standards and general methods for synthetic resin and plastic , Soil and fertilizer in general , Basic standards and general methods , Sanitation in general , Basic standards and general methods , Environmental protection equipment .


Jilin Provincial Standard of the People's Republic of China

  • DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 609-2006 Chemical Reagent - General Method for the Determination of Total Nitrogen
  • GB/T 27476.1-2014 Safety in testing laboratories-Part 1:General aspects
  • GB/T 609-2018 Chemical reagent—General method for the determination of total nitrogen
  • GB/T 20469-2006 General guideline of the clinical laboratory design
  • GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
  • GB/T 2441.1-2008 Determination of urea - Part 1: Total nitrogen content
  • GB/T 27411-2012 Routine methods for evaluation and expression of measurement uncertainty in testing laboratory
  • GB/T 16422.1-2006 Plastics - Methods of the exposure to laboratory light sources - Part 1: General guidance
  • GB/T 609-1988 Chemical reagent-General method for the determination of total nitrogen
  • GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
  • GB/T 32720-2016 Laboratory determination of soil microbial respiration

Group Standards of the People's Republic of China

  • T/SZFAA 12-2024 Technical standard of biogas slurry fertilizer and its laboratory determination method
  • T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
  • T/SZFAA 11-2024 Technical standard of carbon fertilizer and its laboratory determination method
  • T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
  • T/CSCP 0035.1-2017 Laboratory Corrosion Tests on Low Alloy Structural Steels Part 1: General Principles of Test Methods

Professional Standard - Agriculture

Hebei Provincial Standard of the People's Republic of China

  • DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

Professional Standard - Urban Construction

  • CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 16422.1-2019 Plastics -- Methods of exposure to laboratory light sources -- Part 1: General guidance

Taiwan Provincial Standard of the People's Republic of China

  • CNS 5091-1986 Method of Laboratory Determination of Moisture Content of Soil

Professional Standard - Machinery

Henan Provincial Standard of the People's Republic of China

  • DB4112/T 308-2022 Laboratory safety technical specifications for the use of liquid nitrogen

SCC

  • AATCC M10-2018 A Summary of ASTM Methods for Interlaboratory Testing
  • AATCC M9-1992 A Summary of ASTM Methods for Interlaboratory Testing
  • BS DD 191:1990 Method for determination of the containment value of a laboratory fume cupboard
  • BS DD CEN/TS 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • DANSK DS/EN 14727:2006 Laboratory furniture - Storage units for laboratories - Requirements and test methods
  • NS-EN 14727:2005 Laboratory furniture - Storage units for laboratories - Requirements and test methods
  • DIN EN 15750 E:2009 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
  • AASHTO T 265-2022 Standard Method of Test for Laboratory Determination of Moisture Content of Soils
  • AASHTO T 265-2012 Standard Method of Test for Laboratory Determination of Moisture Content of Soils
  • AMCA 520-09 Laboratory Methods for Testing Actuators
  • AASHTO T 265-2015(2019) Standard Method of Test for Laboratory Determination of Moisture Content of Soils
  • BS 6095:1981 Methods for determination of the physical properties of laboratory sheets made from pulps
  • AMCA 260-20 Laboratory Methods of Testing Induced Flow Fans for Rating
  • NS 8011:1982 Geotechnical testing - Laboratory methods - Density
  • BS EN ISO 11274:2014 Soil quality. Determination of the water-retention characteristic. Laboratory methods
  • AASHTO T 265-1993(2004) Standard Method of Test for Laboratory Determination of Moisture Content of Soils
  • AENOR UNE-EN 14727:2006 Laboratory furniture. Container furniture for laboratories. Requirements and test methods.
  • AMCA 260-13 Laboratory Methods of Testing Induced Flow Fans for Rating
  • DANSK DS/ISO 11274:2019 Soil quality – Determination of the water-retention characteristic – Laboratory methods
  • VDI 2456-2004 Measurement of gaseous emissions — Reference method for the determination of the sum of nitrogen monoxide and nitrogen dioxide — Ion chromatographic method
  • NS 8013:1982 Geotechnical testing — Laboratory methods — Water content
  • ASTM Adjunct E691-01 Program to Compute the Within-Lab and Between-Lab Variation of a Test Method from an Interlaboratory Round Robin Study
  • AASHTO T 288-2012(2021) Standard Method of Test for Determining Minimum Laboratory Soil Resistivity
  • DANSK DS/EN 12802:2012 Road marking materials - Laboratory methods for identification
  • BS DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods

American Society for Testing and Materials (ASTM)

  • ASTM D5373-08 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal
  • ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D5373-16 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
  • ASTM D5373-93(1997) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
  • ASTM D5373-93(2002) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
  • ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D5373-02 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
  • ASTM D5373-02(2007) Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
  • ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
  • ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
  • ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
  • ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
  • ASTM D6556-10 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
  • ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
  • ASTM D6556-04 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
  • ASTM D6556-01a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
  • ASTM D1013-93(1998) Standard Test Method for Determining Total Nitrogen in Resins and Plastics
  • ASTM D6556-00a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
  • ASTM D6556-17 Standard Test Method for Carbon Black&x2014Total and External Surface Area by Nitrogen Adsorption
  • ASTM D6556-01 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
  • ASTM D2216-71 Standard Method of Laboratory Determination Of Moisture Content Of Soil
  • ASTM D6556-07 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
  • ASTM E949-88(2004) Standard Test Method for Total Moisture in a Refuse-Derived Fuel Laboratory Sample
  • ASTM E949-88(1996) Standard Test Method for Total Moisture in a Refuse-Derived Fuel Laboratory Sample
  • ASTM E691-21 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
  • ASTM D6556-03 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
  • ASTM E691-22 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
  • ASTM D2973-71(1998) Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM E2653-09 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Fire Test Method with Fewer Than Six Participating Laboratories
  • ASTM D2973-71(2004) Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D2973-22 Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM C1068-21 Standard Guide for Qualification of Measurement Methods by a Laboratory Within the Nuclear Industry
  • ASTM D4007-02 Standard Test Method for Water and Sediment in Crude Oil by the Centrifuge Method (Laboratory Procedure)
  • ASTM D6556-02 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
  • ASTM D3228-08(2019) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
  • ASTM D2973-10 Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D2973-10e1 Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D2973-16 Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D4007-08 Standard Test Method for Water and Sediment in Crude Oil by the Centrifuge Method (Laboratory Procedure)
  • ASTM D4007-11(2016)e1 Standard test method for determination of water and sediment in crude oil by centrifugation (laboratory method)
  • ASTM D4007-02(2006) Standard Test Method for Water and Sediment in Crude Oil by the Centrifuge Method (Laboratory Procedure)
  • ASTM D6556-02a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
  • ASTM D969-85(2003) Standard Test Method for Laboratory Determination of Degree of Bleeding of Traffic Paint
  • ASTM E691-09 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
  • ASTM D3228-19 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
  • ASTM E691-20 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
  • ASTM E691-19e1 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
  • ASTM E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
  • ASTM D2973-23 Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D6556-14 Standard Test Method for Carbon Blackmdash;Total and External Surface Area by Nitrogen Adsorption
  • ASTM D3228-03 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
  • ASTM D3228-08 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
  • ASTM E691-18 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
  • ASTM D6556-21 Standard Test Method for Carbon Black—Total and External Surface Area by Nitrogen Adsorption
  • ASTM D4007-81(1995)e1 Standard Test Method for Water and Sediment in Crude Oil by the Centrifuge Method (Laboratory Procedure)
  • ASTM D584-10 Standard Test Method for Wool Content of Raw Wool-Laboratory Scale
  • ASTM D4016-08 Standard Test Method for Viscosity of Chemical Grouts by Brookfield Viscometer (Laboratory Method)
  • ASTM E691-05 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
  • ASTM E691-99 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
  • ASTM E691-19 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

GOSTR

  • GOST R 58596-2019 Soils. Methods for determination of total nitrogen
  • GOST 34467-2018 Soils. Laboratory methods for determination of calcium carbonate content
  • GOST 34276-2017 Soils. Methods of laboratory determination of the specific resistance to penetration

Indonesia Standards

IT-UNI

  • UNI 2739-1945 Glass products for chemical laboratories. Kjeldahl (nitrogen determination) flask

PH-BPS

  • PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method
  • PTS 86-1970 Method of Test for the Determination of Armoniacal Nitrogen

RU-GOST R

  • GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
  • GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
  • GOST R 59596-2021 Soils. Method of laboratory determination of normal forces of frost heaving
  • GOST 28622-2012 Soils. Laboratory method for determination of frost-heave degree
  • GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
  • GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
  • GOST 5180-2015 Soils. Laboratory methods for determination of physical characteristics
  • GOST 23161-1978 Soils. Laboratory method for determination of subsiding characteristics
  • GOST 22733-2016 Soils. Laboratory method for determining of maximum density
  • GOST R 56353-2015 Soils. Laboratory methods for determination of soil dynamic properties
  • GOST 23161-2012 Soils. Method of laboratory determination of subsiding characteristics
  • GOST 23740-2016 Soils. Methods of laboratory determination of organic composition
  • GOST 25584-2016 Soils. Laboratory methods for determination of coefficient of hydraulic conductivity
  • GOST 34259-2017 Soils. Method of laboratory determination of adhesion (stickiness)
  • GOST 30416-1996 Soils. Laboratory testing. General
  • GOST 23740-1979 Soils. Methods of laboratory determination of organic composition
  • GOST 26107-1984 Soils. Methods for determination of total nitrogen
  • GOST 28622-1990 Soils. Laboratory method for determining of froth-heave degree
  • GOST 27753.4-1988 Greenhouse grounds. Method for determination of total salts content
  • GOST 8.292-1984 State system for ensuring the uniformity of measurements. The laboratory conductometers of liquid. Methods of verification
  • GOST 25584-1990 Soils. Laboratory methods for determination of filtration factor
  • GOST 5180-1984 Soils. Laboratory methods for determination of physical characteristics
  • GOST R 56726-2015 Soils. Laboratory method for determine the specific tangential forces of frost heaving
  • GOST 24143-1980 Soils. Laboratory methods for determination of swelling and shrinking characteristics
  • GOST 12536-1979 Soils. Methods of laboratory granulometric (grain-size) and microaggragate distribution

HU-MSZT

VN-TCVN

  • TCVN 4201-2012 Soils.Laboratory methods for determination of compaction characteristics
  • TCVN 4202-2012 Soils.Laboratory methods for determination of unit weight
  • TCVN 4195-2012 Soils.Laboratory methods for determination of density
  • TCVN 6651-2000 Soil quality.Determination of the water-retention characteristic.Laboratory methods
  • TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
  • TCVN 4200-2012 Soils.Laboratory methods for determination of compressibility
  • TCVN 4197-2012 Soils.Laboratory methods for determination of plastic limit and liquid limit
  • TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
  • TCVN 4196-2012 Soils.Laboratory methods for determination of moisture and hydroscopic water amount

British Standards Institution (BSI)

  • BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
  • BS 7258-4:1994 Laboratory fume cupboards - Method for determination of the containment value of a laboratory fume cupboard
  • BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
  • BS 7258-4:1994(1998) Laboratory fume cupboards — Part 4 : Method for determination of the containment value of a laboratory fume cupboard
  • BS ISO 11274:1998 Soil quality. Determination of the water retention characteristic. Laboratory methods
  • BS ISO 11274:1999 Soil quality. Determination of the water-retention characteristic. Laboratory methods
  • BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
  • BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
  • BS EN ISO 11274:2019 Soil quality. Determination of the water-retention characteristic. Laboratory methods
  • BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • BS 4309:1968(2011) Methods of Measuring the performance of laboratory electric resistance furnaces
  • BS ISO 12828-2:2016 Validation methods for fire gas analyses. Intralaboratory validation of quantification methods

Standard Association of Australia (SAA)

  • AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
  • AS 2243.1:1990 Safety in laboratories - General

Association Francaise de Normalisation

  • NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
  • NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
  • NF X31-551*NF EN ISO 11274:2019 Soil quality - Determination of the water-retention characteristic - Laboratory methods
  • NF ISO 7140:1994 Cross-country skis - Determination of dynamic performance - Laboratory measurement method
  • NF EN ISO 11274:2019 Soil quality - Determination of water retention characteristic - Laboratory methods
  • NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
  • NF EN 12802:2012 Road marking products - Laboratory methods for identification
  • NF X15-202:2006 Laboratory furniture - Storage units for laboratories - Requirements and test methods.
  • NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.

GOST

  • GOST R 59540-2021 Soils. Standard test methods for degree of salinity content
  • GOST 23908-1979 Soils. A laboratory method for determination of volume change by oedometer test
  • GOST R 71038-2023 Soils. Methods for laboratory determination of thermal characteristics
  • GOST 12248-1978 Soils. Laboratory methods for determination of shear strength
  • GOST 22733-1977 Soils. A laboratory method for determining maximum density
  • GOST 25585-1983 Soils. Laboratory method orf determination of suffision compressibility
  • GOST 34789-2021 Brewing products. Identification. Determination of mass concentration of total nitrogen by Kjeldahl method

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

German Institute for Standardization

  • DIN 19746:2005 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
  • DIN 19746:2005-06 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
  • DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
  • DIN EN ISO 11274:2020-04 Soil quality - Determination of the water-retention characteristic - Laboratory methods (ISO 11274:2019); German version EN ISO 11274:2019
  • DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
  • DIN 51732 E:2013-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
  • DIN EN 12802:2011-12 Road marking materials - Laboratory methods for identification; German version EN 12802:2011 / Note: To be replaced by DIN EN 12802 (2018-12).
  • DIN 51732:2007 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods

PL-PKN

  • PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
  • PN P04600-1991 Textiles. Determination of the precision of test methods by inter-laboratory tests

Association of Official Analytical Chemists (AOAC)

  • AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

Spanish Association for Standardization (UNE)

  • UNE 103502:1995 TEST LABORATORY METHOD FOR DETERMINING IN A SOIL THE C.B.R. INDEX.
  • UNE-EN 14727:2006 Laboratory furniture - Storage units for laboratories - Requirements and test methods
  • UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
  • UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
  • UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • UNE-EN ISO 11274:2019 Soil quality - Determination of the water-retention characteristic - Laboratory methods (ISO 11274:2019) (Endorsed by Asociación Española de Normalización in November of 2019.)
  • UNE 77312:2000 Soil quality. Determination of the water retention characteristic. Laboratory methods.

CZ-CSN

  • CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
  • CSN 72 1010-1989 Determination of earth volume mass. Laboratory and field methods
  • CSN ISO 7140:1993 Cross-country skis. Determination of dynamic performance. Laboratory measurement method

Korean Agency for Technology and Standards (KATS)

European Committee for Standardization (CEN)

  • CEN PREN 14727-2003 Laboratory furniture - Storage units for laboratories - Requirements and test methods
  • PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • EN ISO 16072:2011 Soil quality - Laboratory methods for determination of microbial soil respiration

Lithuanian Standards Office

  • LST EN 14727-2006 Laboratory furniture - Storage units for laboratories - Requirements and test methods
  • LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

IN-BIS

  • IS 5194-1969 Determination method of nitrogen-Kjeldahl method
  • IS 2720 Pt.16-1979 Soil Test Methods Part XVI Laboratory Determination of CBR
  • IS 11818-1986 Test method for laboratory determination of air permeability of building joints
  • IS 10782-1983 Laboratory determination method of dynamic modulus of core samples
  • IS 2720 Pt.17-1986 Soil Testing Methods Part 17 Laboratory Determination of Permeability
  • IS 9331-1979 Laboratory method for determining the elastic properties of alpine skis
  • IS 12634-1989 Rock joints—Direct shear strength—Laboratory determination methods

GSO

  • OS GSO 2144:2011 Test methods of Laboratory Filter Papers
  • BH GSO 2144:2012 Test methods of Laboratory Filter Papers
  • GSO 2144:2011 Test methods of Laboratory Filter Papers
  • OS GSO ISO 7140:2016 Cross-country skis -- Determination of dynamic performance -- Laboratory measurement method
  • OS GSO ISO 11274:2013 Soil quality -- Determination of the water-retention characteristic -- Laboratory methods
  • BH GSO ISO 11274:2016 Soil quality -- Determination of the water-retention characteristic -- Laboratory methods
  • GSO ISO 11274:2013 Soil quality -- Determination of the water-retention characteristic -- Laboratory methods
  • BH GSO ISO 7140:2017 Cross-country skis -- Determination of dynamic performance -- Laboratory measurement method
  • GSO ISO 7140:2016 Cross-country skis -- Determination of dynamic performance -- Laboratory measurement method

KR-KS

  • KS M ISO 4892-1-2017 Plastics-Methods of exposure to laboratory light sources-Part 1:General guidance

Danish Standards Foundation

  • DS/EN 14727:2006 Laboratory furniture - Storage units for laboratories - Requirements and test methods
  • DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • DS/ISO 11274/Corr. 1:2009 Soil quality - Determination of the water-retention characteristic - Laboratory methods
  • DS/ISO 11274:1999 Soil quality - Determination of the water-retention characteristics - Laboratory methods

International Organization for Standardization (ISO)

  • ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
  • ISO 11274:2019 Soil quality — Determination of the water-retention characteristic — Laboratory methods
  • ISO 7140:1985 Cross-country skis; Determination of dynamic performance; Laboratory measurement method
  • ISO/IEC GUIDE 43:1984 Development and operation of laboratory proficiency testing

American National Standards Institute (ANSI)

AASHTO - American Association of State Highway and Transportation Officials

  • T 265-1993 Standard Method of Test for Laboratory Determination of Moisture Content of Soils
  • T 265-2012 Standard Method of Test for Laboratory Determination of Moisture Content of Soils
  • T 288-1991 Standard Method of Test for Determining Minimum Laboratory Soil Resistivity
  • T 288-2012 Standard Method of Test for Determining Minimum Laboratory Soil Resistivity

NO-SN

  • NS 8011-1982 Geotechnical testing - Laboratory methods - Density
  • NS 8013-1982 Geotechnical testing - Laboratory methods - Water content

YU-JUS

  • JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method

The American Road & Transportation Builders Association

API - American Petroleum Institute

  • API REPORT 83-50-1985 Interlaboratory and Intralaboratory Comparision of the API Drilling Fluids Bioassay Protocol

AT-ON

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

Japanese Industrial Standards Committee (JISC)

  • JIS Z 8405:2021 Statistical methods for use in proficiency testing by interlaboratory comparison
  • JIS Z 8405:2008 Statistical methods for use in proficiency testing by interlaboratory comparisons

UNKNOWN

  • MATU 001.1-2016 Inspection and Testing Laboratory Safety Level Assessment Standards Part 1: General Principles