The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate.
采用向盐
多西环素精制母液中加5-磺基水杨和水的方法,从精制母液中回收
,并确定了最佳配比。
The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate.
采用向盐多西环素精制母液中加5-磺基水杨和水的方法,从精制母液中回收,并确定了最佳配比。
The content of As and Sb in paints are analyzed by hydride generat io n atomic fluorescence spectrometry (HG-AFS) and L-cysteine prereduction proces s.
采用发生-原子荧光光谱法,用L-半胱氨
原法,对涂料中砷和锑进行了分析。
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