one、 General State:
toosodium sulphateMolecular formulaNatwoStwoOeight，molecular weighttwo3eight.oneeight。为白色单斜结晶或粉末，比重two.357，易溶于水，加热至较高温度时分解，放出氧而变成焦sodium sulphate。toosodium sulphate在低温干燥的条件下具有极好的贮存稳定性，遇潮湿和催化剂则容易分解。本品属强氧化剂，应避免眼睛、皮肤和衣物直接与其接触。
IITechnical indicators（GB/Ttwo65onenine.one-two0oneone）
term order | finger mark | ||
Superior products | First Grade | Qualified products | |
Main content%≥ | ninenine.0 | nineeight.5 | nineeight.0 |
PH value (5g / L aqueous solution) | 3.5-5.5 | 3.5-5.5 | 3.5-5.5 |
Iron（Fe） %≤ | zeroone | zerotwo | zero3 |
Chloride (in) Cl (calculated) % ≤ | zero5 | 00one0 | 00one0 |
water content(HtwoO) %≤ | 0one0 | 0one0 | 0one5 |
manganese(Mn) %≤ | zero0one | zero0two | zero03 |
Heavy metals (in) Pb(total) %≤ | 000one0 | zeroone5 | zerotwo0 |
ammonium(in NH) fourmeter) %≤ | 0.two | 0two | 0two |
3、 Use Way:
It is widely used as a micro etchant in the printed circuit industry; Used as polymerization initiator in organic polymer synthesis. It is also used in the oil production of petroleum industry.
IVPackaging and storage:
Packed in a composite bag with plastic bag as the inner layer and polypropylene woven bag as the outer layer, each bag weighstwo5公斤。应于阴凉干燥通风处，单独密封保存。
be careful:Do not mix with organic matter for storageOtherwise, there is a risk of combustion or even explosion.
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