GB/T 1828-1979
Determination of tungsten trioxide content in tin concentrates--Thiocyanate photometric method (English Version)

Standard No.

GB/T 1828-1979

Language

Chinese, Available in English version

Release Date

1979

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2004-07

Replace By

GB/T 1819.9-2004

Latest

GB/T 1819.9-2017

Scope

Determination of the amount of tungsten trioxide in tin concentrate (thiocyanate absorptiometry)

GB/T 1828-1979 history

• 2017 GB/T 1819.9-2017 Methods for chemical analysis of tin concentrates—Part 9：Determination of tungsten trioxide content—The thiocyanate spectrophotometric method
• 2004 GB/T 1819.9-2004 Methods for chemical analysis of tin concentrates Determination of tungsten trioxide content-The thiocyanate spectrophotometric method
• 1979 GB/T 1828-1979 Determination of tungsten trioxide content in tin concentrates--Thiocyanate photometric method

GB/T 1828-1979 Determination of tungsten trioxide content in tin concentrates--Thiocyanate photometric method was changed to GB/T 1819.9-2004 Methods for chemical analysis of tin concentrates Determination of tungsten trioxide content-The thiocyanate spectrophotometric method.