STAS SR ISO 7497:1997
Fertilizers - Extraction of phosphates soluble in mineral acids

Standard No.

STAS SR ISO 7497:1997

Release Date

1997

Published By

RO-ASRO

Latest

STAS SR ISO 7497:1997

Scope

Prezentul Standard Interna?ional stabile?te metoda de extrac?ie a fosfa?ilor solubili ?n acizi minerali prin atac cloro-nitric ?i metoda prin atac sulfo-nitric. Aceste metode pot fi aplicate pentru toate ?ngr???mintele fosfatice ?i pentru fosfa?ii minerali care au con?inuturi reduse de materie organic?.

STAS SR ISO 7497:1997 history

• 1997 STAS SR ISO 7497:1997 Fertilizers - Extraction of phosphates soluble in mineral acids