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antimony pentoxide sol

antimony pentoxide sol structure

antimony pentoxide sol 

structure

Description

cub yellowish powder(s); material with approximate composition Sb2O5 ·3-l/2H2O is prepared by hydrolysis of SbCl5 [KIR78] [MER06]

Characteristics

3.78 [MER06]

slightly soluble H2O; insoluble HNO3; soluble KOH [KIR78]

antimony pentoxide sol Use and Manufacturing

Methods of Manufacturing

The preparation methods include antimony trioxide hydrogen peroxide method, potassium antimonate (sodium) ion exchange method and potassium antimonate (sodium) gel sol method. Potassium (sodium) antimonate gel sol method Add water to sodium antimonate, stir to disperse, the concentration is 0.3 g/m1, and add 35% hydrochloric acid under stirring, heat to 40℃, react for 4h to generate antimony pentoxide Gel slurry. After filtering and separating, washing with pure water, adding pure water to the obtained antimony pentoxide filter cake, then adding triethanolamine, and heating to 75° C. for degumming for 5 hours to prepare antimony pentoxide sol product.

Uses

Used as a flame retardant for plastics, rubber, fibers, etc.

Material

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