The relative mass of nitrogen

The relative mass of nitrogen, Total:43 items.

The international standard classification for "The relative mass of nitrogen" includes: Other materials , Physicochemical methods of analysis , Testing of metals , Soil quality and pedology in general .

The Chinese standard classification for "The relative mass of nitrogen" includes: Other non-metal mine product , Petroleum geology exploration , Oxide and elementary substance , Semimetal and semiconductor material analysis method , Soil and fertilizer in general .

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 34003-2017 Detection method of impurity elements in boron nitride
GB/T 19143-2017 Analytical method of element for carbon,hydrogen,oxygen and nitrogen in rock organics

Professional Standard - Non-ferrous Metal

YS/T 1654-2023 Methods for chemical analysis of high purity gallium nitride —Determination of trace impurity elements contents —Glow discharge mass spectrometry

Group Standards of the People's Republic of China

T/CSTM 00340-2020 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method
T/SPSTS 013-2019 Determination of the carbon,hydrogen,oxygen,nitrogen,and sulfur content of graphene powder materials—Elemental analyzer method
T/GDASE 0009-2020 Determination of the content of carbon, hydrogen, oxygen, nitrogen and sulfur in graphene
T/GZHG 009-2022 Medium and trace element mineral fertilizer

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

GB/T 42274-2022 Determination of the content and distribution of trace elements (magnesium, gallium) in aluminum nitride materials—Secondary ion mass spectrometry
GB/T 42490-2023 Soil quality—Determination of total content and isotope ratio of organic carbon and nitrogen of soil and biological samples—Stable isotope ratio mass spectrometry

国家质量监督检验检疫总局

SN/T 4764-2017 Determination of total carbon,hydrogen,nitrogen and sulfur content in coal—Elemental analyzer method

National Metrological Verification Regulations of the People's Republic of China

JJG 2096-2017 Concentration of Element Based on Isotope Dilution Mass Spectrometry

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 2492-2019 Test method for content of carbon, nitrogen, hydrogen, sulfur and oxygen in graphene materials

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 3595-2019 Elemental analyzer method for the determination of carbon, hydrogen, nitrogen, sulfur and oxygen content in graphene materials

VN-TCVN

TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
TCVN 6642-2000 Soil quality.Determination of organic and total carbon after dry combustion (elementary analysis)

CL-INN

INDITECNOR 21-7ch-1956 Fertilizers: Measurement of the element nitrogen (N)

International Organization for Standardization (ISO)

ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
ISO 18227:2014 Soil quality - Determination of elemental composition by X-ray fluorescence
ISO 10694:1995 Soil quality - Determination of organic and total carbon after dry combustion (elementary analysis)
ISO 16198:2015 Soil quality - Plant-based test to assess the environmental bioavailability of trace elements to plants

Korean Agency for Technology and Standards (KATS)

KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 13878-2023 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 13878-2009(2019) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 11466-2008(2018) Soil quality－Extraction of trace elements soluble in aqua regia

GSO

GSO ISO 13878:2014 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")
BH GSO ISO 13878:2016 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")

Association Francaise de Normalisation

NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
NF X31-409*NF ISO 10694:1995 Soil quality. Determination of organic and total carbon after dry combustion (elementary analysis).

KR-KS

KS I ISO 13878-2009(2023) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)

German Institute for Standardization

DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)

Spanish Association for Standardization (UNE)

UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").

NL-NEN

NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 2045-1981 Air quality - The calibration of measuring methods for nitrogen monoxide, nitrogen dioxide and ozone by means of gas-phase titration

PT-IPQ

NP 2202-1999 Water quality Determination of iron. Spectrometric method using 1,10-phenanthroline
NP 1233-1976 Sulfuric acid and nicotine used in industry. Measurement of nitrogen content

CO-ICONTEC

ICONTEC 1556-1980 Food industry, meat products, measuring nitrogen content

HU-MSZT

MNOSZ 6094-1953 Definition of mass of various elements

European Committee for Standardization (CEN)

EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

Standard Association of Australia （SAA）

AS 3904.4:1994 Quality management and quality system elements - Guidelines for quality improvement

British Standards Institution (BSI)

BS ISO 16679:2015 Space systems. Relative motion analysis elements after LV/SC separation
BS ISO 18227:2014 Soil quality. Determination of elemental composition by X-ray fluorescence

Others: The relative atomic mass of an element,The relative atomic mass of o2 element,Relative mass of nitrogen,The relative mass of nitrogen