EDTA

1.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。

2.A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.

了一种以表面活性剂、丙烯和柠檬酸、EDTA为主要组分的硫化亚铁清洗剂配方和其在炼油置应用的情况。

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.

以虾壳和虾蛄壳为原料分别采用EDTA法和盐酸法制备了甲壳素和壳聚糖。

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.

建立用四酸(EDTA)络合滴定法测定异辛酸镍中镍含量的方法。

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.

在洗衣粉中掺入螯合剂，例如次氮基三酸酯（NTA）或者是四酸酯（EDTA），这些螯合剂易于形成水溶性的金属螯合物。