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Determination of tar in circulating ammonia water

2016-12-07View Original

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When we use benzene to extract the tar content from ammonia water, adding anhydrous sodium sulfate to the extraction solution results in much higher test values compared to when no anhydrous sodium sulfate is used. Please advise. Below are the results of the comparative tests: Sequence, With anhydrous sodium sulfate, Without anhydrous sodium sulfate: 1, 1052.0mg/l, 250.0mg/l; 2, 919.4mg/l, 213.0mg/l; 3, 930.6mg/l, 215.8mg/l

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