The preparation and purification methods of pyridine hydrochloride were discoursed in the paper.
本文叙述了盐酸吡啶的制备及精制方法。
The effects of solvent of Grignard reagent, pyridine hydrochloride and boron tribromide on yield of product were investigated.
考察了格氏试剂的溶剂、反应物盐酸吡啶和三溴化硼对脱甲氧基收率的影响。
A classical method to determine the content of cinnamaldehyde is called hydrochloride hydroxylamine-pyridine oximation.
探讨一种无吡啶盐酸羟胺肟化法测定肉桂醛的可行性。
A classical method to determine the content of cinnamaldehyde is called hydrochloride hydroxylamine-pyridine oximation.
探讨一种无吡啶盐酸羟胺肟化法测定肉桂醛的可行性。
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