sodium stannate is an inorganic substance with the molecular formula Na2[Sn(OH)6] and a molecular weight of 266.73. Insoluble in alcohol and acetone. When heated to 140℃, the crystal water is lost and anhydrous substance is formed. Absorbing carbon dioxide in the air to form sodium carbonate and tin hydroxide.
Mainly used in electroplating industry basic tin plating and copper plating, as well as tin alloy, zinc tin alloy, aluminum alloy and other alloys electroplating and electroless plating. Used in textile industry as fire retardant, weight gain agent. Used as a mordant in printing and dyeing industry. Also used in glass, ceramics and other industries.
Sodium stannate is widely used as oxidant and reducing agent in electroplating industry.
- It is also used in the preparation of special glass, ceramics and magnetic materials.
- Sodium stannate can be used as a preservative for treating wood.
- It is also widely used in other chemical fields.
Tili ndi mafakitale apamwamba kwambiri omwe ali ndi mgwirizano wozama, omwe angakupatseni mankhwala apamwamba kwambiri komanso mitengo yampikisano. Ndipo titha kuperekanso kuchotsera pogula zinthu zambiri.Ndipo timagwirizana ndi makampani ambiri otumiza katundu, amatha kubweretsa zinthu mosatekeseka m'manja mwanu. Kutumiza nthawi ndi za 3-20 masiku chitsimikiziro cha malipiro.
Kanthu |
Industrial Grade TOP Grade |
Industrial Grade Second Grade |
Appearance: |
White powder or white crystalline matter |
White powder or white crystalline matter |
Assay (Sn) |
≥42% |
≥36.5% |
Pb |
≤0.002% |
≤0.002% |
Sb |
≤0.0025% |
≤0.002% |
Monga |
≤0.001% |
≤0.002% |
Fe |
≤0.02% |
≤0.02% |
Free alkali(on NaOH) |
≤3.5% |
≤4.5% |
Nitrate (on No3) |
≤0.1% |
≤0.2% |
Alkali insoluble matter |
≤0.1% |
≤0.2% |
Sodium stannate is an inorganic compound. The following is an introduction to the properties, uses, preparation and safety information of sodium stannate:
Nature:
Sodium stannate is a white crystalline solid, soluble in water, an alkaline solution.
- It has good thermal and chemical stability.
- Stable in air, but reacts with strong oxidants.
Purpose:
Sodium stannate is widely used as oxidant and reducing agent in electroplating industry.
- It is also used in the preparation of special glass, ceramics and magnetic materials.
- Sodium stannate can be used as a preservative for treating wood.
- It is also widely used in other chemical fields.
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