NEN-EN 13650
Soil improvers and growing media - Extraction of aqua regia soluble elements
inactive
| Organization: | NEN |
| Publication Date: | 1 August 1999 |
| Status: | inactive |
| Page Count: | 19 |
| 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
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...
NEN-EN 13650
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...