砷酸二钠 七水合物

等级

ACS reagent

方案

≥98%
98.0-102.0%

表单

powder

杂质

≤0.005% Insoluble matter

pH值（酸碱度）

8.5-9 (25 °C, 50 g/L)

痕量阴离子

arsenite (As₂O₃): ≤0.01%
chloride (Cl^-): ≤0.001%
nitrate (NO₃^-): ≤0.005%
sulfate (SO₄^2-): ≤0.01%

痕量阳离子

Fe: ≤0.001%
heavy metals (as Pb): ≤0.002%

SMILES字符串

O.O.O.O.O.O.O.[Na+].[Na+].O[As]([O-])([O-])=O

InChI

1S/AsH3O4.2Na.7H2O/c2-1(3,4)5;;;;;;;;;/h(H3,2,3,4,5);;;7*1H2/q;2*+1;;;;;;;/p-2

InChI key

KOLXPEJIBITWIQ-UHFFFAOYSA-L