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| International Standard Category: Acids |
GB/T 4104-1983 Leucoscopic method for testing whiteness of zinc oxide made by direct process
直接法氧化锌白度(颜色)检验方法 ;
| Category No.: | 71.060.30 | Valid Status: | superseded |
| Issued Organization: | China State Bureau of Standards | Issued Date: | 1983-12-27 |
| Implemented Date: | 1984-12-1 | Abolished Date: | 2004-05-01 |
| Superseded Standard.: | GB/T 4104-2003 Leucoscopic method for testing whiteness of zine oxide made by direct process |
Superseded Date: | 2004-5-1 |
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