ISO 7497:1984
Fertilizers — Extraction of phosphates soluble in mineral acids
Fertilizers — Extraction of phosphates soluble in mineral acids
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Fertilizers — Extraction of phosphates soluble in mineral acids
Specifies two equivalent methodes. They consist in dissolving the wanted substance in a mixture of hydrochloric and nitric acids or in a mixture of sulfuric and nitric acids.
| Edition | 1984 |
|---|---|
| Published Date | 1984 |
| Published By | International Standardization Organisation |
| Page Count | 2 |