Agency
USP/NF
reag. Ph. Eur.
质量水平
等级
puriss. p.a.
方案
98-100.0% (iodometric)
表单
solid
杂质
≤0.001% heavy metals (as Pb)
≤0.02% thiosulfate (S2O3)
pH值(酸碱度)
9.0-10.5 (25 °C, 126 g/L)
痕量阴离子
chloride (Cl-): ≤50 mg/kg
痕量阳离子
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字符串
[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 key
GEHJYWRUCIMESM-UHFFFAOYSA-L
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一般描述
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。
应用
亚硫酸钠被用于制备基于小麦面筋的薄膜。
Reaction kinetics of sodium sulfite oxidation by the rapid-mixing method.
Barron CH and O'Hern HA.
Chemical Engineering Science, 21(5), 397-404 (1966)
New plasticizers for wheat gluten films.
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European Polymer Journal, 37(8), 1533-1541 (2001)
Amber R Boles et al.
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A novel sulfur-utilizing perchlorate reducing bacterial consortium successfully treated perchlorate (ClO₄⁻) in prior batch and bench-scale packed bed reactor (PBR) studies. This study examined the scale up of this process for treatment of water from a ClO ₄⁻ and RDX contaminated
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Nitrone spin traps such as 5,5-dimethyl-1-pyrroline-N-oxide (DMPO) are commonly used for free radical detection. Though proven examples are rare, artifact formation must be considered. For example, the Forrester-Hepburn mechanism yields the same radical adduct as that formed by genuine radical
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