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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HJ 504-2009 |
Ambient air. Determination of ozone. Indigo disulphonate spectrophotometry 环境空气 臭氧的测定 靛蓝二磺酸钠分光光度法 |
China Environmental Protection Industry
Standards disulphonate |
 English PDF |
| DL/T 502.20-2006 |
Analytical methods of steam and water in power plants. Part 20: Determination of dissolved oxygen (Colorimetric method using sodium indigo disulphonate) 火力发电厂水汽分析方法 第20部分: 氧的测定（靛蓝二磺酸钠比色法） |
China Electricity & Power
Standards disulphonate |
English PDF |
| DL/T 502.19-2006 |
Analytical methods of steam and water in power plants. Part 19: Determination of dissolved oxygen (Colorimetric method using sodium indigo disulphonate glucose) 火力发电厂水汽分析方法 第19部分: 氧的测定（靛蓝二磺酸钠葡萄糖比色法） |
China Electricity & Power
Standards disulphonate |
English PDF |
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