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Kjeldahl improvement

Kjeldahl improvement, Total:10 items.

In the international standard classification, Kjeldahl improvement involves: Soil quality. Pedology, Fertilizers, Organic chemicals, Lubricants, industrial oils and related products.

VN-TCVN, Kjeldahl improvement

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

AENOR, Kjeldahl improvement

• 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, Kjeldahl improvement

• NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.

European Committee for Standardization (CEN), Kjeldahl improvement

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

Danish Standards Foundation, Kjeldahl improvement

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

Lithuanian Standards Office , Kjeldahl improvement

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

German Institute for Standardization, Kjeldahl improvement

• 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

American Society for Testing and Materials (ASTM), Kjeldahl improvement

• 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

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