ISO 7497:1984
Fertilizers; Extraction of phosphates soluble in mineral acids

Standard No.

ISO 7497:1984

Release Date

1984

Published By

International Organization for Standardization (ISO)

Latest

ISO 7497:1984

Scope

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.

ISO 7497:1984 history

• 1984 ISO 7497:1984 Fertilizers; Extraction of phosphates soluble in mineral acids