推荐产品
agency
USP/NF
reag. Ph. Eur.
品質等級
等級
puriss. p.a.
化驗
98-100.0% (iodometric)
形狀
solid
雜質
≤0.001% heavy metals (as Pb)
≤0.02% thiosulfate (S2O3)
pH值
9.0-10.5 (25 °C, 126 g/L)
負離子痕跡
chloride (Cl-): ≤50 mg/kg
正離子痕跡
As: ≤0.2 mg/kg
Ca: ≤50 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Pb: ≤5 mg/kg
Se: ≤10 mg/kg
Zn: ≤10 mg/kg
SMILES 字串
[Na+].[Na+].[O-]S([O-])=O
InChI
1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI 密鑰
GEHJYWRUCIMESM-UHFFFAOYSA-L
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一般說明
亚硫酸钠是一种无机钠盐。已经提出了快速混合方法来研究氧与亚硫酸钠之间反应的动力学。
應用
亚硫酸钠被用于制备基于小麦面筋的薄膜。
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