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ISO
ISO 7497:1984

ISO 7497:1984

Fertilizers — Extraction of phosphates soluble in mineral acids

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General Information

Status :

Active

Standard Type : Main

Document No : ISO 7497:1984

Document Year : 1984

Pages : 2

Edition : 1

Section Volume : Fertilizers and soil conditioners (ISO/TC 134.)

ICS : Fertilizers (65.080)

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.