Improved Method of Kjeldahl Nitrogen Determination

Improved Method of Kjeldahl Nitrogen Determination, Total:54 items.

The international standard classification for "Improved Method of Kjeldahl Nitrogen Determination" includes: .

The Chinese standard classification for "Improved Method of Kjeldahl Nitrogen Determination" includes: .

Jilin Provincial Standard of the People's Republic of China

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

Ningxia Provincial Standard of the People's Republic of China

DB64/T 1734-2020 Soil Hydrolyzable Nitrogen Determination Kjeldahl Method

VN-TCVN

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

Spanish Association for Standardization (UNE)

UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE-EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method

IN-BIS

IS 5194-1969 Determination method of nitrogen-Kjeldahl method

Association Francaise de Normalisation

NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF ISO 11261:1995 Soil quality - Total nitrogen dosage - Modified Kjeldahl method
NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF EN 13654-1:2002 Soil amendments and growing media - Determination of nitrogen - Part 1: modified Kjeldahl method
NF EN 12135:1997 Fruit and vegetable juices - Nitrogen dosage - Kjeldahl method

British Standards Institution (BSI)

BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS EN 25663:1993 Water quality. Determination of Kjeldahl nitrogen. Method after mineralization with selenium

American Society for Testing and Materials (ASTM)

ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-20 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-19 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08(2019) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08(2014) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM E147-61(2017) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method

Danish Standards Foundation

DS/EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
DS 242:1988 Water quality. Kjeldahl-nitrogen. Kjeldahl-method

European Committee for Standardization (CEN)

CEN EN 13654-1-2001 Soil Improvers and Growing Media - Determination of Nitrogen - Part 1: Modified Kjeldahl Method

Korean Agency for Technology and Standards (KATS)

KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2021 Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS E ISO 333-2018 Coal－Determination of nitrogen－Semi-micro Kjeldahl method
KS E ISO 333-2003(2013) Coal－Determination of nitrogen－Semi-micro Kjeldahl method

Lithuanian Standards Office

LST EN 13654-1-2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method

GSO

OS GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
BH GSO ISO 11261:2017 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method

German Institute for Standardization

DIN EN 13654-1:2002-01 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method; German version EN 13654-1:2001

SCC

AENOR UNE-EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
NS-EN 13654-1:2001 Soil improvers and growing media — Determination of nitrogen — Part 1: Modified Kjeldahl method
BS EN ISO 8968-1:2002 Milk. Determination of nitrogen content-Kjeldahl method
DANSK DS/EN 13654-1:2001 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
DANSK DS/EN 25663:1994 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium
DANSK DS/ISO 5663:1994 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium

Indonesia Standards

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

SE-SIS

SIS SS 18 71 63-1984 Coal - Determination of nitrogen - Macro Kjeldahl method

International Organization for Standardization (ISO)

ISO 332:1974 Title missing - Legacy paper document
ISO 332:1981 Coal — Determination of nitrogen — Macro Kjeldahl method

Standard Association of Australia （SAA）

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

Association of Official Analytical Chemists (AOAC)

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

KR-KS

KS H ISO 1871-2013(2023) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method

RU-GOST R

GOST 34111-2017 Juice products. Determination of nitrogen content by Kjeldahl method

BE-NBN

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)

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