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| International Standard Category: Acids |
GB/T 12684.2-1990 Boric acid for industrial use-Determination of insoluble substance content in water
工业硼酸 水不溶物含量的测定 ;
| Category No.: | 71.060.30 | Valid Status: | superseded |
| Issued Organization: | China Oil and Chemical Industry Association | Issued Date: | 1990-12-30 |
| Implemented Date: | 1991-12-1 | Abolished Date: | 2007-02-01 |
| Superseded Standard.: | GB/T 12684-2006 Methods of test for boron compound for industrial use |
Superseded Date: | 2007-2-1 |
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