久久99精品久久久久久hb亚瑟-免费看无码毛视频成片-99热这里只有精品免费播放-亚洲精品少妇高清30p-国产午夜福利精品久久2021

Characteristic：

Colorless hexagonal crystals or white powder.Relative weight is 1.438, soluble in water, alkaline based. Insoluble in alcohol and acetone. Loses hydration when heated to 140 ℃ and becomes anhydrous. Absorbs Carbon Dioxide easily from the atmosphere and will disintegrate, producing Sodium Carbonate and Stannic Hydroxide.

Application：

Sodium Stannate is mainly used in the alkaline tin plating industry. It is also widely used in copper-tin, zinc-tin and aluminium alloys electro and chemical plating industries.It can also be used as a fire retardant and weighting agent in the textile industry and as a mordant in the dyeing industry. Other industries includes glass and ceramics.etc.

Technical indicators：