通过单因素试验，分别确定了三聚磷酸钠，焦磷酸钠和六偏磷酸钠的最佳添加量分别为0.1%，0.12%，0.1%。

The results showed that the optimal concentration of three above phosphates is 0.1%, 0.12% and 0.1%, respectively by the single-factor experiment.

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对磷酸盐进行了复配，经实验证实，复合磷酸盐的最佳的配比为三聚磷酸钠：焦磷酸钠：六偏磷酸钠=2：2：1。

The experimental results confirmed that the best ratio of compound phosphates is 2:2:1(sodium tripolyphosphate:sodium pyrophosphate:sodium hexametaphosphate).

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对磷酸盐进行了复配，经实验证实，复合磷酸盐的最佳的配比为三聚磷酸钠：焦磷酸钠：六偏磷酸钠=2：2：1。

The experimental results confirmed that the best ratio of compound phosphates is 2:2:1(sodium tripolyphosphate:sodium pyrophosphate:sodium hexametaphosphate).

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