Carbonaceous materials for the production of primary aluminium—Pitch for electrodes—Part 1:Determination of water content—Azeotropic distillation(Dean and Stark) method
IDT ISO 5939:1980
GB/T 26930的本部分规定了原铝生产用煤沥青中水分含量的测定方法。
本部分适用于原铝生产用煤沥青中水分含量的测定。测定范围0.1%～2.0%（质量分数）。
注：当水含量大于2.0%（质量分数）时，可使用更大的接收器用该方法测试。
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