BS 4258-3:1975

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use-Determination of sulphate content

BSI Group, 09/30/1975

Publisher: BS

File Format: PDF

$125.00$251.46

Description

Published:30/09/1975

Note:This product is unavailable in Ukraine, Russia, Belarus

Reduction of the sulphate in a test portion to sulphide, absorption of the evolved hydrogen sulphide in acetone and sodium hydroxide solution and titration with mercury (II) acetate using dithizone as indicator.

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