等级
ACS reagent
质量水平
产品线
Tracepur®
方案
≥99.0%
表单
crystals
杂质
≤0.01% Insoluble matter
≤1% Mesh size (100 and finer)
缺失
≤0.5% loss on ignition
颜色
white
pH值（酸碱度）
5.2-8.0 (20 °C, 50 g/L in H2O)
mp
884 °C (lit.)
溶解性
200 g/L
密度
2.68 g/mL at 25 °C (lit.)
痕量阴离子
chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
痕量阳离子
Ca: ≤0.01%
Fe: ≤0.001%
K: ≤0.01%
Mg: ≤0.005%
N: ≤5 ppm
heavy metals: ≤5 ppm
运输
ambient
储存温度
room temp
SMILES字符串
[Na+].[Na+].[O-]S([O-])(=O)=O
InChI
1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
InChI key
PMZURENOXWZQFD-UHFFFAOYSA-L
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应用
anhydrous, crystals, Meets ACS Specifications Tracepur®
分析说明
Assay99.0% minCalcium (Ca)0.01% maxChloride (Cl)0.001% maxColorWhiteFormCrystalsHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.01% maxIron (Fe)0.001% maxLoss on ignition0.5% maxMagnesium (Mg)0.005% maxMesh size (10-30)80% minMesh size (10-60)95% minMesh size (100 and finer)1.0% maxNitrogen compounds (as N)5ppm maxPhosphate (PO4)0.001% maxPotassium (K)0.01% maxSuitability for residue analysis (dried 400°/4 hr)To pass testpH of a 5% solution at 25°C5.2-9.2
法律信息
TRACEPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
13 - Non Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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