提高乙二胺四乙酸钠及二乙撑三胺五醋酸的产量和质量的方法

Methods of Increasing Production and Quality of Edetate disodium and Diethylenetriaminepentaacetic acid

采取提高反应物浓度、添加HCl和NaOH、改进设备的方法,提高了乙二胺四乙酸钠、二乙撑三胺五醋酸的产量及质量,并取得很好的效果。

To improve the production and quality of edetate disodium （EDTA） and diethylenetriaminepentaacetic acid （DTPA） by increasing the concentration of the reactants,adding hydrochloric acid and sodium hydroxide,improving equipment. The result is good.