Three ways to measure cod

Three ways to measure cod, Total:127 items.

The international standard classification for "Three ways to measure cod" includes: Veterinary medicine , Other non-ferrous metals and their alloys , Coals , Analytical chemistry , Solid fuels , Surface active agents , Essential oils , Chemical analysis , Non-ferrous metals in general , Textile glass materials .

The Chinese standard classification for "Three ways to measure cod" includes: Medical apparatus and devices in general , Coal analysis methods , Basic organic chemicals , Basic standards and general methods for chemical additive , Coke , Fragrances and flavors , Basic standards and general methods for water treatment agent , Heavy metals and their alloys analysis method , Oxide and elementary substance , Tooth paste, soap and detergent .

Professional Standard - Chemical Industry

HG/T 6107～6110-2022 Determination methods of sodium ions, chloride ion content, chemical oxygen demand (COD) and calcium and magnesium ions in waste sulfuric acid (2022)
HG/T 6109-2022 Determination ofchemical oxygen demand(COD) in waste sulphuric acid
HG/T 5964-2021 Determination of dissolved non-biodegradable chemical oxygen demand in wasteliquid

Professional Standard - Environmental Protection

HJ 924-2017 Technical requirement and test procedures for rapid COD photometric analyzer

Professional Standard - Agriculture

NY/T 4524-2025 Three-Seven Seedling Fungal Detection Method for Fusarium oxysporum

Group Standards of the People's Republic of China

T/CHBAS 8-2021 Determination of trifluoromethanesulfonic anhydride
T/CHBAS 11-2021 Detection of impurities in trimethylsilyl trifluoromethanesulfonate
T/ZJATA 0001-2020 Water quality—Determination of the chemical oxygen demand —Precast reagent- spectrophotometric method
T/CAQI 381-2024 Determination of 10 sulfonylureas, 10 triazines and 14 triazole pesticides in water by liquid chromatography-triple quadrupole mass spectrometry
T/CHBAS 7-2021 Determination method of trifluoromethanesulfonic acid

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

GB/T 45045-2024 Determination of 13 restricted fragrance substances in fragrance compound—Gas chromatography-mass spectrometry method
GB/T 15456-2008 Industrial circulating cooling water - Determination of the chemical oxygen demand - Potassium permanganate method
GB/T 215-1996 Determination of forms of sulfur in coal
GB/T 34500.2-2017 Chemical analysis methods for rare earth residue and waste water—Part 2：Determination of chemical oxygen demand（COD）
GB/T 3254.1-1998 Antimony trioxide―Determination of antimony trioxide content
GB/T 39769-2021 Determination of forms of sulfur in coke
GB/T 41522-2022 Method of DNA microarray for detection of three canine viruses
GB/T 34500.2-2017(英文版) Chemical analysis methods for rare earth waste residues and wastewater Part 2: Determination of chemical oxygen demand (COD)
GB/T 15456-1995 Industrial circulating cooling water－Determination of the chemical oxygen demand －Potassium permanganate method
GB/T 29599-2013 Textile dyeing and finishing auxiliaries—Determination of chemical oxygen demand(COD)
GB/T 215-2003 Determination of forms of sulfur in coal
GB/T 30053-2013 Determination of Benzene, toluene and xylene in crude benzene

Professional Standard - Commodity Inspection

SN/T 0837.1-1999 Method for the determination of purity of arsenic trioide for export
SN/T 2669-2010 Molecular identification of three-line hybrid rice seeds

Hubei Provincial Standard of the People's Republic of China

DB42/T 1935-2022 Determination of Eleven Triazine Pesticides in Water Quality by Liquid Chromatography-Triple Quadrupole Mass Spectrometry

Fujian Provincial Standard of the People's Republic of China

DB35/T 82.4-1997 Identification method and evaluation standard of resistance to rice borer

Jilin Provincial Standard of the People's Republic of China

DB22/T 2391-2015 "Three-line" Hybrid Soybean Seed Purity Identification DNA Analysis Method

Liaoning Provincial Standard of the People's Republic of China

DB21/T 2984-2018 Method for Determination of Vitality of Maize Hybrid Seeds

Professional Standard - Building Materials

JC/T 2156-2012 Determination of CODin raw material and batch of fiber glass

Professional Standard - Urban Construction

CJ/T 3018.12-1993 Leachate - determination of the chemical oxygen demand (COD) - potassium dichromate method

Professional Standard - Coal

MT/T 357-1994 Determination Method of Trichloromethane Extract of Coal
MT 357-1994 Determination method of chloroform extract from coal

Professional Standard - Light Industry

QB/T 2969-2008 Determination of triclosan in toothpastes

Shanxi Provincial Standard of the People's Republic of China

DB14/T 1428-2017 Determination methods of various forms of sulfur in coke

National Metrological Technical Specifications of the People's Republic of China

JJF(航空) 030-1987 Calibration method of three-coordinate measuring machine

Zhejiang Provincial Standard of the People's Republic of China

DB33/T 2462-2022 Rice Seed Vitality Determination Method

Military Standard of the People's Republic of China-General Armament Department

GJB 533.29-1988 Detection method for 45 components of submarine cabin air. Determination of Freon-11, chloroform, and carbon tetrachloride content by gas chromatography.

Korean Agency for Technology and Standards (KATS)

KS Q ISO TR 13587-2021 Three statistical approaches for the assessment and interpretation of measurement uncertainty
KS M 0115-1987 Testing methods for chemical oxygen demand (COD) of industrial water
KS Q ISO TR 13587:2021 Three statistical approaches for the assessment and interpretation of measurement uncertainty
KS I ISO 15705:2008 Water quality－Determination of the chemical oxygen demand index(ST-COD)－Small-scale sealed-tube method
KS I ISO 15705-2008(2018) Water quality－Determination of the chemical oxygen demand index(ST-COD)－Small-scale sealed-tube method
KS I ISO 15705-2023 Water quality ― Determination of the chemical oxygen demand index(ST-COD) ― Small-scale sealed-tube method
KS T 1339-2003 Practice for fabrication and closure of triple-wall corrugated fiberboard containers
KS B 5421-1981(2021) Method for determining various functions of projection lenses
KS T 1339-2013 Practice for fabrication and closure of triple-wall corrugated fiberboard containers

Ente Nazionale Italiano di Unificazione

UNI CEN/TS 15749:2008 Fertlizers - Determination of sulfates content using three different methods
UNI EN 15749:2009 Fertilizers - Determination of sulfates content using three different methods
UNI EN 15749:2023 Fertilizers - Determination of sulfates content using three different methods

British Standards Institution (BSI)

PD CEN/TS 15749:2008 Fertilizers - Determination of sulfates content using three different methods
BS PD ISO/TR 13587:2012 Three statistical approaches for the assessment and interpretation of measurement uncertainty
PD ISO/TR 13587:2012 Three statistical approaches for the assessment and interpretation of measurement uncertainty
BS EN 15749:2009 Fertilizers - Determination of sulfates content using three different methods
BS 5762:1979 Methods for crack opening displacement (COD) testing
BS EN 15749:2022 Fertilizers. Determination of sulfates content using three different methods
21/30400088 DC BS EN 15749. Fertilizers. Determination of sulfates content using three different methods
14/30313916 DC BS ISO 25749. Fertilizers. Determination of sulfates content using three different methods
BS ISO 15705:2002 Water quality. Determination of the chemical oxygen demand index (ST-COD). Small-scale sealed-tube method

International Organization for Standardization (ISO)

ISO/TR 13587:2012 Three statistical approaches for the assessment and interpretation of measurement uncertainty
ISO 15705:2002 Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed-tube method
ISO 157:1996 Coal - Determination of forms of sulfur

Association Francaise de Normalisation

NF U42-502*NF EN 15749:2010 Fertilizers - Determination of sulfates content using three different methods.
NF U42-502*NF EN 15749:2022 Fertilizers - Determination of sulfates content using three different methods
NF T90-101:2021 Water quality - Determination of chemical oxygen demand (COD)
NF T90-101:2001 Water quality - Determination of chemical oxygen demand (COD).

Danish Standards Foundation

DANSK DS/ISO/TR 13587:2012 Three statistical approaches for the assessment and interpretation of measurement uncertainty
DS/ISO/TR 13587:2012 Three statistical approaches for the assessment and interpretation of measurement uncertainty
DS/EN 15749:2009 Fertilizers - Determination of sulfates content using three different methods
DANSK DS/EN 15749:2009 Fertilizers – Determination of sulfates content using three different methods
DS/ISO 15705:2006 Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed-tube method
DANSK DS/ISO 15705:2006 Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed-tube method

European Committee for Standardization (CEN)

EN 15749:2009 Fertilizers - Determination of sulfates content using three different methods
prEN 15749-2021 Fertilizers - Determination of sulfates content using three different methods

Standards Norway

NS-EN 15749:2022 Fertilizers — Determination of sulfates content using three different methods
SN-CEN/TS 15749:2008 Fertilizers — Determination of sulfates content using three different methods
NS-EN 15749:2009 Fertilizers — Determination of sulfates content using three different methods
NS-ISO 15705:2002 Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed-tube method

Swedish Institute for Standards

SS-EN 15749:2022 Fertilizers - Determination of sulfates content using three different methods

Spanish Association for Standardization (UNE)

UNE-EN 15749:2010 Fertilizers - Determination of sulfates content using three different methods
UNE-EN 15749:2023 Fertilizers - Determination of sulfates content using three different methods
UNE-CEN/TS 15749:2009 EX Fertilizers - Determination of sulfates content using three different methods
UNE 77004:2002 WATER QUALITY. DETERMINATION OF THE CHEMICAL OXYGEN DEMAND (COD). DICHROMATE METHOD.

Canadian General Standards Board （CGSB)

CAN/CGSB-9.2 No.3-1994 Methods of Testing Pulp and Paper Mill Effluents and Water - Determination of Chemical Oxygen Demand (COD)

German Institute for Standardization

DIN EN 15749:2022-10 Fertilizers - Determination of sulfates content using three different methods; German version EN 15749:2022
DIN EN 15749:2022 Fertilizers - Determination of sulfates content using three different methods
DIN EN 15749:2021-05 Draft Document - Fertilizers - Determination of sulfates content using three different methods; German and English version prEN 15749:2021
DIN EN 15749 E:2021-06 Fertilizers - Determination of sulfates content using three different methods
DIN EN 15749:2010-01 Fertilizers - Determination of sulfates content using three different methods; German version EN 15749:2009
DIN ISO 15705:2003-01 Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed tube method (ISO 15705:2002)
DIN CEN/TS 15749:2008-10 Fertilizers - Determination of sulfates content using three different methods; German version CEN/TS 15749:2008
DIN EN 15749:2010 Fertilizers - Determination of sulfates content using three different methods; German version EN 15749:2009

Lithuanian Standards Office

LST EN 15749-2010 Fertilizers - Determination of sulfates content using three different methods

Gosstandart of Russia

GOST EN 15749-2013 Fertilizers. Determination of sulfates content using three different methods
GOST 12038-1984 Agricultural seeds. Methods for determination of germination
GOST 10853-1988 Oil seeds. Methods of determination of infestation
GOST 12042-1980 Seed of farm crops. Methods of determination of 1000 seed weight
GOST 22617.5-1977 Seeds of sugar beet. Method for determination pest infestation
GOST 10857-1964 Oil seeds. Methods of determination of oil content
GOST 13056.4-1967 Seeds of forest and shrub species. Methods for determination 1000 seedweight
GOST 12041-1982 Seed of farm crops. Method for determination of moisture content
GOST 12043-1988 Seed of farm crops. Methods for determination of authenticity
GOST 22617.4-1991 Beet seeds. Methods for determinations of 1000 seeds mass and one sowing unit mass
GOST 12039-1982 Seed of farm crops. Methods for determination of viability
GOST 27985-1988 Pedigree bulls. Method for determination of breeding value on self-productivity
GOST 33996-2016 Seed potatoes. Technical conditions and methods of determining the quality
GOST 30025-1993 Seeds of essential oil crops. Method for determination of purity and seed lot impurity

American Water Works Association (AWWA)

AWWA ACE59930 Comparison of Three Methodologies for the Detection of Cryptosporidium in Water
AWWA JAW50940 Journal AWWA — Comparison of Three TOC Methodologies
AWWA JAW41436 Journal AWWA — Three Approaches for Characterizing NOM
AWWA ACE60071 Selecting the Right Approach to Validation Testing: Three Options and Lessons Learned
AWWA WQTC71462 Comparison of Haloacetic Acids Methods USEPA 557 IC-MS/MS and USEPA 552 GC-ECD from Three Drinking Waters

American Society for Testing and Materials (ASTM)

ASTM G158-98(2010) Standard Guide for Three Methods of Assessing Buried Steel Tanks
ASTM G158-98 Standard Guide for Three Methods of Assessing Buried Steel Tanks
ASTM G158-23 Standard Guide for Three Methods of Assessing Buried Steel Tanks
ASTM G158-98(2021) Standard Guide for Three Methods of Assessing Buried Steel Tanks
ASTM G15-08 Standard Terminology Relating to Corrosion and Corrosion Testing

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

ASHRAE 3847-1995 Comparison of Energy Prediction of Three Ground-Coupling Heat Transfer Calculation Methods
ASHRAE AC-02-14-2-2002 Comparison of Three Fault Detection Methods Based on Field Data of an Air-Handling Unit

Indonesia Standards

SNI 6989.73:2009 Air dan air limbah – Bagian 73: Metode uji Kebutuhan Oksigen Kimiawi (Chemical Oxygen Demand/COD) menggunakan titrimetri dengan refluks tertutup
SNI 6989.15:2019 Air and wastewater – Part 15: Determination of Chemical Oxygen Demand (COD) by open reflux titrimetric method
SNI 6989.73:2019 Air dan air limbah – Bagian 73: Metode uji Kebutuhan Oksigen Kimiawi (Chemical Oxygen Demand/COD) dengan titrimetri menggunakan refluks tertutup

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 15705:2013 Water quality – Determination of the chemical oxygen demand index (ST-COD) – Small-scale sealed-tube method

GCC Standardization Organization

GSO ISO 15705:2013 Water quality – Determination of the chemical oxygen demand index (ST-COD) – Small-scale sealed-tube method

Türk Standardları Enstitüsü

TS 3030-1978 Methot For The Determination Of Chromium Trioxide (Gr203) In Glass Sand

National Standardisation Body (ASRO)

STAS 6279-1979 AGRICULTURAL SEEDS FOR SEEDING Determinatlon of sorts, species and types authenticity by laboratory methods
SR 8327-4-1996 Rubber tyres-Testing methods for determination of dimensional characteristics

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 4404-1987 Cultivated soil.Methods for determination of hydrolytic acidity