采用重量分析法测定盐酸乙脒中难挥发杂质的含量。
The content of in volatile impurities in acetamidine hydrochloride was determined by gravimetric analysis.
总结了乙腈酸催化法合成盐酸乙脒的工艺改进措施，介绍了?。
Improvement measures and synthesis processes of acetamidine hydrochloride from nitrile over acid catalysts were reviewed.
总结了乙腈酸催化法合成盐酸乙脒的工艺改进措施，介绍了?。
Improvement measures and synthesis processes of acetamidine hydrochloride from nitrile over acid catalysts were reviewed.
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