Determination of total nitrogen by ultraviolet method

Determination of total nitrogen by ultraviolet method, Total:77 items.

The international standard classification for "Determination of total nitrogen by ultraviolet method" includes: Auxiliary materials and additives for plastics , Geology. Meteorology. Hydrology , Boilers and heat exchangers , Fluorescent lamps. Discharge lamps .

The Chinese standard classification for "Determination of total nitrogen by ultraviolet method" includes: Carbon black , Meteorology , Boiler and its auxiliary equipment , Environmental Quality Standard for atmosphere, water and soil , Analysis methods for exhaust emission pollutants , Basic standards and general methods on chemical fertilizers , Analysis methods for toxic substances in water , Electric light source products .

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

GB/T 14422-1993 Analysis of water used in boiler and cooling system－Determination of benzotriazole－Ultraviolet spectrophotometry
GB/T 10722-2003 Carbon black - Determination of total and external surface area by nitrogen adsorption
GB/T 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
SPC GB/T 37186-2018 Gas analysis -- Determination of sulfur dioxide and nitrogen oxides -- Ultraviolet differential optical absorption spectroscopy (TEXT OF DOCUMENT IS IN CHINESE)
GB/T 10722-2014 Carbon black—Determination of total and external surface area—Nitrogen adsorption test method
GB/T 33866-2017 Measurement for solar ultraviolet radiation―Broadband ultraviolet radiometer method
GB/T 21096-2007 Method of measuring and specifying the UV-radiation of ultraviolet lamps used for sun-tanning
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method

Professional Standard - Environmental Protection

HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
HJ 1132-2020 Stationary source emission—Determination of nitrogen oxides —Portable ultraviolet absorption method
HJ/T 42-1999 Stationary source emission -- Determination of nitrogen oxide -- Ultraviolet spectrophotometric method
HJ 636-2012 Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method

Professional Standard - Water Conservancy

SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)

Professional Standard - Agriculture

NY/T 1116-2006 Fertilizers - Determination of nitrate nitrogen content - Ultraviolet spectro - Photometric method

Shandong Provincial Standard of the People's Republic of China

DB37/T 2704-2015 Determination of nitrogen oxides in exhaust gas from stationary pollution sources by ultraviolet absorption method

Ministry of Ecology and Environment of the People's Replublic of China

GB 11894-1989 Water quility-Determination of total nitrogen UV spectrophotometric method-Alkaline potassium persulfate digestion method

Liaoning Provincial Standard of the People's Republic of China

DB21/T 3072-2018 Determination of nitrogen oxides in exhaust gas from stationary pollution sources by ultraviolet-visible absorption method

Hebei Provincial Standard of the People's Republic of China

DB13/T 5028-2019 Determination of total sulfur content in alcohol-based fuels by ultraviolet fluorescence method

Group Standards of the People's Republic of China

T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/CIET 637-2024 UV LED packaging overall design specifications
T/TGIC 010-2024 Textiles - Determination of gingerol content - Ultraviolet Spectrophotometry

Sichuan Provincial Standard of the People's Republic of China

DB51/T 1689-2013 Determination of total sulfur content in liquefied natural gas (LNG) by ultraviolet fluorescence method
DB51/T 1699-2013 Determination of total sulfur content in liquefied petroleum gas (LPG) by ultraviolet fluorescence method

Ningxia Provincial Standard of the People's Republic of China

DB64/T 1515-2017 Determination of Total Glucosides in Sheep Placenta Capsules by Ultraviolet Spectrophotometry

Jilin Provincial Standard of the People's Republic of China

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

Fujian Provincial Standard of the People's Republic of China

DB35/T 1351-2013 Determination of total sulfur content in gaseous hydrocarbons and liquefied petroleum gases by ultraviolet fluorescence method

Professional Standard - Light Industry

QB/T 2989-2008 Method of measurement of ultraviolet irradiance and electrical characteristic of tubular ultraviolet high pressure mercury lamp

Gosstandart of Russia

GOST 34712-2021 Natural gas. Determination of total sulfur by ultraviolet fluorescence method
GOST 34237-2017 Petroleum products. Determination of total sulfur by method ultraviolet fluorescence
GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
GOST R 58596-2019 Soils. Methods for determination of total nitrogen

Danish Standards Foundation

DANSK DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DANSK DS/ISO 17198:2015 Dimethyl ether (DME) for fuels - Determination of total sulfur, ultraviolet fluorescence method

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
OS GSO ISO 17198:2016 Dimethyl ether (DME) for fuels -- Determination of total sulfur, ultraviolet fluorescence method

GCC Standardization Organization

GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 17198:2016 Dimethyl ether (DME) for fuels -- Determination of total sulfur, ultraviolet fluorescence method
GSO ISO 20729:2022 Natural gas — Determination of sulfur compounds — Determination of total sulfur content by ultraviolet fluorescence method

Ente Nazionale Italiano di Unificazione

UNI 11759:2019 Determination of Total nitrogen - UV Spectrometry Method after oxidative digestion with sodium persulphate by means of the Flow Injection Analysis (FIA)

International Organization for Standardization (ISO)

ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 20729:2017 Natural gas - Determination of sulfur compounds - Determination of total sulfur content by ultraviolet fluorescence method
ISO 17198:2014 Dimethyl ether (DME) for fuels - Determination of total sulfur, ultraviolet fluorescence method

Association Francaise de Normalisation

NF M41-020*NF ISO 17198:2015 Dimethyl ether (DME) for fuels - Determination of total sulfur - Ultraviolet fluorescence method
NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF ISO 20729:2018 Natural gas - Determination of sulfur compounds - Determination of total sulfur content by the UV fluorescence method
NF X20-518*NF ISO 20729:2018 Natural gas - Determination of sulfur compounds - Determination of total sulfur content by ultraviolet fluorescence method

Polski Komitet Normalizacyjny (PKN)

PN-ISO 20729-2020-10 P Natural gas -- Determination of sulfur compounds -- Determination of total sulfur content by ultraviolet fluorescence method
PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

Bureau of Indian Standards

IS 3025-34-4-2022 METHODS OF SAMPLING AND TEST PHYSICAL AND CHEMICAL FOR WATER AND WASTEWATER PART 34 NITROGEN Section 4 Determination of total nitrogen after UV digestion Method using flow analysis CFA and FIA and spectrometric detection

Korean Agency for Technology and Standards (KATS)

KS A 5005-1977(2021) Measuring methods of ultraviolet
KS A 5005-1985 Measuring methods of ultraviolet
KS M ISO 17198-2021 Dimethyl ether(DME) for fuels — Determination of total sulfur, ultraviolet fluorescence method
KS M ISO 17198:2021 Dimethyl ether(DME) for fuels — Determination of total sulfur, ultraviolet fluorescence method
KS C IEC 61228:2001 Method of measuring and specifying the UV-radiation of ultraviolet lamps used for sun-tanning
KS C IEC 61228:2013 Method of measuring and specifying the UV-radiation of ultraviolet lamps used for sun-tanning
KS A 5005-1977 Measuring methods of ultraviolet
KS M 9102-1996 Water quality-Determination of total mercury by flameless atomic absorption spectrometry(Method after pretreatment with ultraviolet radiation)

British Standards Institution (BSI)

BS ISO 20729:2017 Natural gas. Determination of sulfur compounds. Determination of total sulfur content by ultraviolet fluorescence method
BS ISO 17198:2014 Dimethyl ether (DME) for fuels. Determination of total sulfur, ultraviolet fluorescence method

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 20729:2023 Natural gas — Determination of sulfur compounds — Determination of total sulfur content by ultraviolet fluorescence method

International Electrotechnical Commission (IEC)

IEC 61228:1996 Method of measuring and specitying the UV-radiation of ultraviolet lamps used for sun-tanning

American Society for Testing and Materials (ASTM)

ASTM D7183-16 Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
ASTM D6556-10 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
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 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

German Institute for Standardization

DIN EN 61228:1995 Method for measuring and determining the UV radiation from UV lamps for tanning purposes

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

TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method

Association of Official Analytical Chemists (AOAC)

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

Indonesia Standards

SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method

Japanese Industrial Standards Committee (JISC)

JIS Z 8811:1968 Measuring methods of ultra-violet rays for sterilization

Standard Association of Australia （SAA）

AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)

Swedish Institute for Standards

SS-ISO 11261:1996 Soil quality - Determination of total nitrogen - Modified Kjeldahl method

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