NEN-EN 13654-1
Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 October 2001 |
| Status: | active |
| Page Count: | 14 |
| ICS Code (Fertilizers): | 65.080 |
scope:
Specifies a method for the determination of nitrogen in soil improvers and growing media. The Kjeldahl method determines ammonium-N, nitrate-N, nitrite-N and organic N content of soil improvers and growing media. Nitrogen in N-N-linkages, N-O-linkages and some heterocyclics (especially prydine) is only partially determined.
Document History
NEN-EN 13654-1
October 1, 2001
Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
Specifies a method for the determination of nitrogen in soil improvers and growing media. The Kjeldahl method determines ammonium-N, nitrate-N, nitrite-N and organic N content of soil improvers and...
August 1, 1999
Soil improvers and growing media - Determination of nitrogen - Part 1: Modified kjeldahl method
Specifies a method for the determination of nitrogen in soil improvers and growing media. The Kjeldahl method determines ammonium-N, nitrate-N, nitrite-N and organic N content of soil improvers and...