It is reveal by GC analysis that the purity of the TMP, treated by reduced pressure distillation and recrystallization in acetic ester, approximates to that of the reagent grade TMP.
GC分析结果表明:采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。
All chemicals from commercial sources were of reagent grade and used without further purification.
所有商业来源的化学药品都是试剂级别的,不经过纯化即可使用。
Unless reagent grade sucrose is available use cane sugar.
如果没有试剂级的蔗糖,可以用甘蔗糖。
The company's products are: reagent grade.
本公司产品有:试剂级。
Thecontents of metal impurities in the bismuth products obtain the standards of the analysis reagent and the contents of anions obtain the standard of the grade of chemical purity.
然后再由铋精矿制取铋的化工产品,这些铋品中的金属杂质元素含量都达到分析纯要求,有少量产品阴离子纯度有待提高。
Reagent-grade cadmium chloride, copper chloride, and zinc sulfate were used to conduct all studies.
试剂级氯化镉,氯化铜,硫酸锌和使用进行的所有研究。
I plant specializing in the fluorine chemical industry, the production of reagent-grade and industrial grade fluoride;
我厂专业从事氟化工行业,生产试剂级和工业级的氟化物;
Unless reagent grade sucrose is available use cane sugar.
商业用蔗糖有两个主要来源——甜甘蔗和制糖甜菜。
Unless reagent grade sucrose is available use cane sugar.
商业用蔗糖有两个主要来源——甜甘蔗和制糖甜菜。
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