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  Sodium hexametaphosphate(SHMP)   is often used to inhibit carbonates such as calcite and limestone in the flotation process, and can also be used as an inhibitor of gangue minerals such as quartz and silicate. For example, in the flotation of iron ore, tall oil is used as collector, and sodium hexametaphosphate and aluminum silicate are used as inhibitors of quartz and silicate to separate iron-containing minerals from quartz and silicate. Sodium hexametaphosphate competes with the collector sodium oleate for adsorption on the surface of diaspore and kaolinite minerals. Because the adsorption capacity of sodium oleate on the surface of diaspore is stronger than that on the surface of kaolinite. Therefore, sodium hexametaphosphate(SHMP) has a greater influence on the adsorption capacity of sodium oleate on the surface of kaolinite than the adsorption capacity on the surface of diaspore, which is beneficial to the separation of diaspore and kaolinite. However, when the concent...

  Sodium hexametaphosphate(SHMP)   is a kind of sodium metaphosphate polymer, in the form of transparent glass flakes or white powdery crystals. It has strong hygroscopicity, becomes sticky after absorbing moisture, is easy to deliquesce in the air, and is easy to dissolve in water. The solubility is greater in water, but the dissolution rate is relatively warm. Its aqueous solution is acidic and easily hydrolyzed into phosphite. Sodium hexametaphosphate(SHMP) has the ability to form soluble complexes for certain metal ions (calcium, magnesium). Therefore, it can be used to soften water, and can also form complexes with lead, silver, and barium salts. Sodium hexametaphosphate is used as a flotation agent, refractory material, ceramics and other important additives in industrial water treatment, detergent additives, and mineral processing industries. Therefore, the quality of industrial grade sodium hexametaphosphate needs to be stable. The large-scale production equipment of C...