The content of involatile impurities in acetamidine hydrochloride was determined by gravimetric analysis.

采用重分析法测定盐酸乙脒难挥发杂质。

The gravimetric method for determinating organic phosphonic acid HPBA with quinoline phosphomolybdate is studied.

用喹啉磷钼酸盐重法对有机膦酸HPBA主测定进了分析。

Determination of silicon content.Gravimetric method.

[/外文标准名称]: Ferronickel.

The tetraphenylboron sodium gravimetric method must be employed when K2O is higher in compound fertilizer for enough accuracy.

当复混肥K2O较高时,仍宜用四苯硼钾重法测定钾。

METHODS The contents of matrii sulfas exsiccatus and alumen exsiccatum were determined by gravimetric method and EDTA complexometric titration.

方法用重法及EDTA络合滴定法对玄明粉和枯矾进定分析。

METHODS Sodium tetraphenylboron gravimetric analysis was replaced by highly-accurate nephelometric titrimetry to determine potassium chloride in Compound sodium chloride injection.

方法用高精度散射光度滴定法代替四苯硼钠重法。

Both volumetric method and gravimetric method can be used for determination of Zn in thiofide ZDBC.The gravimetric method is easy to operate but it spents more analysis time.

容法和重法均可用于测定橡胶硫化促进剂二丁基二硫代氨基甲酸锌(ZDBC)锌。