The gravimetry method by directly adding calcium carbide to determine the moisture content in tar was introduced, and was compared with the distillation method.

 
  • 介紹了直接加入電石測定焦油水分的稱(chēng)量法,并且與蒸餾法進(jìn)行了對照,用新方法測定的焦油樣,其精密度和準確度較高。
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