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

采分析法测定盐酸乙脒中难挥发杂质的含。

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

喹啉磷钼酸盐法对有机膦酸HPBA主含的测定进了分析研究。

Determination of silicon content.Gravimetric method.

[中/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.

当复混肥中K2O含较高时,仍宜四苯硼钾法测定钾含。

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

方法法及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.

方法高精度散射光度滴定法代替四苯硼钠法。

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.

容法和法均可于测定橡胶硫化促进剂二丁基二硫代氨基甲酸锌(ZDBC)中的锌含。