This paper according to related informations developed a determination method on dihydrostreptomycin sulphate related substances by HPLC.

根据有关资料建立了硫酸双氢链霉素相关物质HPLC测定方法并进行了方法验证。

By access to information,determination methods of alumina are mainly including chrome azurol S method and aluminon method.

经查阅资料，测定铝的主要方法有铬天青S法和铝试剂法。

The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.

介绍了采用FID的色谱仪聚乙二醇20M色谱柱对氯乙醇的定量测定方法。

So the absorbing wavelength is selected,the operating condition optimized,and the quantitative and qualitative determination method on Polyoxin B by HPLC-DAD established.

为此选择无干扰的吸收波长,优化测定条件,建立液相色谱—二极管阵列检测器定量及定性检测多氧霉素B的方法。