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.

采氢化物发生-子荧光光谱法,L-半胱氨酸预法,对涂料中砷和进行了分析。

The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate.

采酸多西环素精制母液中加5-磺基水杨酸和水的方法,从精制母液中回收出氢化物,并确定了最佳配比。