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采用电位滴定法测定了羟乙膦酸二钠的含量。结果表明亚磷酸盐含量小于 1.0 %时 ,不干扰测定
The content of etidronate disodium was determined by potentiometric titration. The results show that the phosphite content of less than 1.0%, does not interfere with the determination