1. The content of involatile impurities in acetamidine hydrochloride was determined by gravimetric analysis.
   采用重量分析法测定盐酸乙脒中难挥发杂质的含量。
2. The gravimetric method for determinating organic phosphonic acid HPBA with quinoline phosphomolybdate is studied.
   用喹啉磷钼酸盐重量法对有机膦酸HPBA主含量的测定进行了分析研究。
3. Determination of silicon content.Gravimetric method.
   [中/外文标准名称]: Ferronickel.
4. The tetraphenylboron sodium gravimetric method must be employed when K2O is higher in compound fertilizer for enough accuracy.
   当复混肥中K2O含量较高时,仍宜用四苯硼钾重量法测定钾含量。
5. METHODS The contents of matrii sulfas exsiccatus and alumen exsiccatum were determined by gravimetric method and EDTA complexometric titration.
   方法用重量法及EDTA络合滴定法对玄明粉和枯矾进行定量分析。
6. 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量法。
7. 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.
   容量法和重量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)中的锌含量。

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