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Merck
CN

1.06649

硫酸钠

anhydrous for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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关于此项目

线性分子式:
Na2SO4
化学文摘社编号:
分子量:
142.04
NACRES:
NA.21
EC Index Number:
231-820-9
UNSPSC Code:
12352302
MDL number:
Assay:
≥99.0% (alkalimetric), 98.5-101% dry basis (alkalimetric)
Grade:
ACS reagent
Form:
solid
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grade

ACS reagent

Quality Level

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)

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

SMILES string

[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

Analysis Note

含量测定(碱量滴定法): ≥ 99.0 %
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

替代:SX0761-20

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany


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存储类别

13 - Non Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable



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