1.METHODS The contents of matrii sulfas exsiccatus and alumen exsiccatum were determined by gravimetric method and EDTA complexometric titration.
方法重量法及EDTA络合滴定法对玄明粉枯矾进行定量分析。
2.A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.
报道了一种以表面活性剂、丙二烯二胺柠檬酸、EDTA为主要组分硫化亚铁清洗剂配方炼油置应况。
3.Chitin and chitosan have been prepared by the methods of EDTA and HCl with the shell of shrimp and Squilla Oratoria as raw materials.
以虾壳虾蛄壳为原料分别采EDTA法盐酸法制备了甲壳素壳聚糖。
4.A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid (EDTA) was set up.
建立乙二胺四乙酸(EDTA)络合滴定法测定异辛酸镍中镍含量方法。
5.3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.