A method of methanol content determine using 721 spectrophotometry is introduced.
介绍了一种用721分光光度计法测定白酒中甲醇含量的方法。
The effect of methanol content in the raw material on the yield of TDC is investigated.
对反应原料中甲醇的含量对甲苯2,4二氨基甲酸甲酯收率的影响进行了计算。
Crude methanol in the methanol content of about 80 percent, most of the rest is water, methanol fine products in the purity of up to 99%.
粗甲醇中甲醇含量约80%，其余大部分是水，产品精甲醇的纯度可达99%以上。
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