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98.5-101% dry basis (alkalimetric)
产品名称
硫酸钠, anhydrous for analysis EMSURE® ACS,ISO,Reag. Ph Eur
InChI
1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
SMILES string
[Na+].[Na+].[O-]S([O-])(=O)=O
InChI key
PMZURENOXWZQFD-UHFFFAOYSA-L
grade
ACS reagent
agency
reag. ISO
reag. Ph. Eur.
product line
EMSURE®
assay
≥99.0% (alkalimetric)
98.5-101% dry basis (alkalimetric)
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
impurities
≤0.01% Insoluble matter
loss
≤0.5% loss on drying, 130 °C
≤0.5% loss on ignition, 800 °C
pH
5.2-8.0 (20 °C, 50 g/L in H2O)
mp
884 °C (lit.)
density
2.68 g/mL at 25 °C (lit.)
bulk density
1400‑1600 kg/m3
anion traces
chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
cation traces
As: ≤0.0001%
Ca: ≤0.005%
Fe: ≤0.0005%
K: ≤0.002%
Mg: ≤0.001%
N: ≤0.0005%
heavy metals: ≤0.0005%
heavy metals (as Pb): ≤0.0005%
storage temp.
2-30°C
Quality Level
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Analysis Note
含量测定(碱量滴定法,以无水物质计算):98.5 - 101.0 %
鉴别:通过测试
溶液外观:通过测试
不溶物质: ≤ 0.01 %
酸碱度:通过测试
pH-值(5 %;水;25 °C):5.2 - 8.0
氯化物(Cl): ≤ 0.001 %
磷酸盐(PO₄): ≤ 0.001 %
总氮(N): ≤ 0.0005 %
重金属(ACS): ≤ 0.0005 %
重金属(以铅计): ≤ 0.0005 %
As(砷): ≤ 0.0001 %
Ca(钙): ≤ 0.005 %
Fe(铁): ≤ 0.0005%
K(钾): ≤ 0.002 %
Mg(镁): ≤ 0.001 %
干燥失重 (130 °C): ≤ 0.5 %
干燥失重(800 °C): ≤ 0.5 %
符合ACS、ISO、Reag.Ph Eur
Other Notes
Legal Information
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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