ISO 7407:1983 PDF
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Fertilizers — Determination of acid-soluble potassium content — Preparation of the test solution
Specifies the reference method. It consists in boiling of a test portion with dilute hydrochloric acid solution.
| Edition | 1983 |
|---|---|
| Published Date | 1983 |
| Published By | International Standardization Organisation |
| Page Count | 1 |
