HG/T 2957.7-2004
Determination of Potassium and Sodium in Alunite Ore - Potassium Tetraphenylborate Gravimetry and Flame Emission Spectrophotometry (English Version)

Standard No.

HG/T 2957.7-2004

Language

Chinese, Available in English version

Release Date

2004

Published By

Professional Standard - Chemical Industry

Latest

HG/T 2957.7-2004

Replace

HG/T 2957.7-1984(1997)

Scope

This standard specifies the gravimetric determination of potassium oxide content by potassium tetraphenylborate. This standard is applicable to the determination of potassium oxide content in alunite ore products. The measurement range is 1%~10%.

HG/T 2957.7-2004 history

• 2004 HG/T 2957.7-2004 Determination of Potassium and Sodium in Alunite Ore - Potassium Tetraphenylborate Gravimetry and Flame Emission Spectrophotometry