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Basic chemical raw materials

Stannous sulfate 1707

2022-03-02 469

one、 Overview:

Stannous sulfateWhite or light yellow crystalline powder，CAS NO 7four88-55-three, molecular formula SNSOfour . molecular weighttwoonefour.75. Melting point three60 ℃, densityfour.one5 g/cmthree。 Stannous sulfateyesThe main raw materials for industrial tin plating and aluminum alloy surface treatment，Contact air is easy to be oxidized and needs to be sealed for storage。

Stannous sulfatedissolvesolutionYu ShuiTimemeeting發生水solution產生沉淀物，使用Timeusuallydissolvesolution在Dilute sulfuric acidin。

Stannous sulfate不屬于化學危(wei)險品。

two、 Quality standard：productMeet national standardsGB/T twothree8three0-two009

term order

National standard indicators

Outsideview

White crystal or powder

SnSOfourContent, % ≥

ninety-nine

Chloride (in)CL meter), % ≤

0.005

酸不(bu)dissolve物(wu)， % ≤

0.005

Sulfate and alkaline earth metals,% ≤

zero point one

Lead（Pb）， % ≤

zero point zero two

Antimony（Sb）， % ≤

zero point zero one

arsenic (As)， % ≤

zero point zero zero one

iron （Fe）， % ≤

zero point zero zero five

3、 Packaging and storage:

one、one00克玻璃(li)瓶裝分析純(chun)試劑Stannous sulfate，每箱(xiang)two0瓶；

two、two5kgCarton or plastic bucketIndustrial grade packaging (vacuum packaging inside)5kg復合袋5包）。

This product should be stored in a dry and cool place, avoid rain and high temperature.

本品密封保存Time有效期onetwoMonths. It should be used up at one time after opening to avoid being affected by oxidation.


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