NEN-EN 13650
Soil improvers and growing media - Extraction of aqua regia soluble elements
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 October 2001 |
| Status: | active |
| Page Count: | 21 |
| ICS Code (Fertilizers): | 65.080 |
scope:
Specifies a method for the routine extraction of aqua regia soluble elements from soil improvers or growing media. Materials containing more than about 28% (m/m) organic matter wil require treatment with additional nitric acid. With high solute concentration in extract solutions, spectral interference's and background enhancement should be expected.
Document History
NEN-EN 13650
October 1, 2001
Soil improvers and growing media - Extraction of aqua regia soluble elements
Specifies a method for the routine extraction of aqua regia soluble elements from soil improvers or growing media. Materials containing more than about 28% (m/m) organic matter wil require treatment...
August 1, 1999
Soil improvers and growing media - Extraction of aqua regia soluble elements
Specifies a method for the routine extraction of aqua regia soluble elements from soil improvers or growing media. Materials containing more than about 28% (m/m) organic matter wil require treatment...