GB 9742-1988
General method for the determination of chemical reagent silicate (English Version)

Standard No.

GB 9742-1988

Language

Chinese, Available in English version

Release Date

1988

Published By

Professional Standard - Agriculture

Status

Be replaced 2008-11

Replace By

GB/T 9742-2008

Latest

GB/T 9742-2008

Scope

This standard specifies the general method for the determination of silicate by silicon molybdenum blue colorimetry. This standard applies to the determination of trace amounts of silicate or fluorosilicate in chemical reagents. The detection range of spectrophotometry or visual colorimetry is 0.2-3pg/mL (calculated as SiO3).

GB 9742-1988 history

• 2008 GB/T 9742-2008 Chemical reagent.General method for the determination of silicate
• 1988 GB 9742-1988 General method for the determination of chemical reagent silicate

GB 9742-1988 General method for the determination of chemical reagent silicate was changed to GB/T 9742-2008 Chemical reagent.General method for the determination of silicate.