The gravimetrie method for HEDP by using corrosion inhibitor and incrustation inhibitor unite method with quinoline phosphomolybdate is studied. It shows this method has good accuracy and precision.

• 以喹啉磷钼酸盐重量法对由缓蚀剂与阻垢剂联合法制备的HEDP主含量进行分析研究；结果表明此方法具有良好的准确度和精密度.