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sklademVydáno: 1984
ISO 7497:1984
ISO 7497:1984-Fertilizers — Extraction of phosphates soluble in mineral acids
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| Označení normy: | ISO 7497:1984 |
| Počet stran: | 2 |
| Vydání: | 1 |
| Vydáno: | 1984 |
DESCRIPTION
ISO 7497:1984
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.