Soluble in water, acid, alkali and hard water, with good dispersion.

易溶于水，耐酸、碱及硬水，具有较好的分散性。

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It USES distilled water and alcohol to refine water soluble acid and alkali of sample and then test the extractive with PH indicator.

用蒸馏水或乙醇水溶液抽提试样中的水溶性酸或碱，然后用酸度计或指示剂对抽提物进行测定。

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Soluble in strong acid or alkali and decomposition, insoluble in water and organic solvents.

溶于强酸或强碱并分解，不溶于水和有机溶剂。

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