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Standard Insuued on: 1998-12 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | CBTS | Issued Date: | 1998-12-7 |
Implemented Date: | 1999-7-1 | Abolished Date: | |
Superseded Standard.: | GB/T 3286.7-2014 Methods for chemical analysis of limestone and dolomite―Part 7:The determination of sulphur content―The pipe furnace combustion iodic acid potassium titration method,the high frequency combustion with infrared absorption method and the barium sulfate g |
Superseded Date: | 2015-5-1 |
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