Improvement of Kjeldahl method
Improvement of Kjeldahl method, Total:43 items.
The international standard classification for "Improvement of Kjeldahl method" includes: .
The Chinese standard classification for "Improvement of Kjeldahl method" includes: Analysis methods for toxic substances in water .
Group Standards of the People's Republic of China
- T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
- T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
Ningxia Provincial Standard of the People's Republic of China
- DB64/T 1734-2020 Soil Hydrolyzable Nitrogen Determination Kjeldahl Method
Jilin Provincial Standard of the People's Republic of China
- DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)
中华人民共和国环境保护部
- GB 11891-1989 Water quility-Determination of Kjeldahl nitrogen
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
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 EN 13654-1:2002 Soil amendments and growing media - Determination of nitrogen - Part 1: modified Kjeldahl method
- NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
- NF EN 12135:1997 Fruit and vegetable juices - Nitrogen dosage - Kjeldahl method
Danish Standards Foundation
- DS 242:1988 Water quality. Kjeldahl-nitrogen. Kjeldahl-method
- DS/EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified 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
Lithuanian Standards Office
- LST EN 13654-1-2002 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
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
- DANSK DS/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
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
IN-BIS
- IS 5194-1969 Determination method of nitrogen-Kjeldahl method
SE-SIS
- SIS SS 18 71 63-1984 Coal - Determination of nitrogen - Macro Kjeldahl method
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
British Standards Institution (BSI)
- BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified 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
RU-GOST R
- GOST 34111-2017 Juice products. Determination of nitrogen content by Kjeldahl method
South African Bureau of Standard
- SANS 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
Association of Official Analytical Chemists (AOAC)
- AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods
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