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定量分析。

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、丙二烯二胺和柠檬、EDTA为主要组分硫化亚铁清洗剂配方和其在炼油装置应用情况。

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法和盐法制备了甲壳素和壳聚糖。

A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid (EDTA) was set up.

建立用乙二胺四乙(EDTA)络合滴定法测定异中含量方法。

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，例如次氮基三乙酯（NTA）或者是乙二胺四乙酯（EDTA），这些螯合剂易于形成水溶性金属螯合物。

Water (Aqua), Glycerin, Propylene Glycol, Hydroxyethylcellulose, Tetrasodium EDTA, Citric Acid, Sodium Benzoate.

水（水） ，甘油，丙二醇，羟乙基纤维素， Tetrasodium乙二胺四乙，柠檬，苯甲钠。