NEN 7433
Manure and derivatives - Sample pre-treatment for the determination of nitrogen, phosphorus, and potassium - Destruction with sulphuric acid, hydrogen peroxyde and copper sulphate
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 May 1998 |
| Status: | active |
| Page Count: | 4 |
| ICS Code (Fertilizers): | 65.080 |
scope:
This standard describes a method for the digestion of manure with sulphuric acid/hydrogen peroxide/copper sulphate. This digestion method is applicable to all sorts of manure, except manure containing nitrogen in the form of nitrate.
Document History
April 1, 2020
Manure and derivatives - Sample pre-treatment for the determination of nitrogen, phosphorus, and potassium - Destruction with sulphuric acid, hydrogen peroxyde and copper sulphate
A description is not available for this item.
January 1, 2020
Manure and derivatives - Sample pre-treatment for the determination of nitrogen, phosphorus, and potassium - Destruction with sulphuric acid, hydrogen peroxyde and copper sulphate
A description is not available for this item.
NEN 7433
May 1, 1998
Manure and derivatives - Sample pre-treatment for the determination of nitrogen, phosphorus, and potassium - Destruction with sulphuric acid, hydrogen peroxyde and copper sulphate
This standard describes a method for the digestion of manure with sulphuric acid/hydrogen peroxide/copper sulphate. This digestion method is applicable to all sorts of manure, except manure...
April 1, 1996
Manure and derivatives - Sample pre-treatment for the determination of nitrogen, phosphorus, and potassium - Destruction with sulphuric acid, hydrogen peroxyde and copper sulphate
This standard describes a method for the digestion of manure with sulphuric acid/hydrogen peroxide/copper sulphate. This digestion method is applicable to all sorts of manure, except manure...