GB 4581.7-1984

Alunite ores--Determination of potassium and sodium contents--Potassium tetraphenylborate gravimetric method and flame emission spectrophotometric methods

STANDARD published on 1.1.1984

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The information about the standard:

Designation standards: GB 4581.7-1984
Note: WITHDRAWN
Publication date standards: 1.1.1984
Country: Chinese technical standard
Category: Technical standards GB