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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| DL/T 258-2012 |
Determination of free silica in coal 煤中游离二氧化硅的测定方法 |
China Electricity & Power
Standards Determination free silica |
 English PDF |
| QB/T 2114-1995 |
(Determination of phosphate-free detergents phosphorus silicate content (SiO2 basis). Titration) 低磷无磷洗涤剂中硅酸盐含量（以SiO2计）的测定.滴定法 |
China Light Industry
Standards Determination free silica |
English PDF |
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