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Merck
CN

1.06648

Sodium sulfate decahydrate

for analysis EMSURE® ACS,Reag. Ph Eur

别名:

Sodium sulfate decahydrate

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关于此项目

经验公式(希尔记法):
Na2O4S · 10H2O
化学文摘社编号:
分子量:
322.20
UNSPSC Code:
12352302
EC Index Number:
231-820-9
NACRES:
NA.21
MDL number:
Assay:
≥99.0% (alkalimetric)
98.5-101% dry basis (alkalimetric)
Grade:
ACS reagent
Form:
crystals
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产品名称

Sodium sulfate decahydrate, for analysis EMSURE® ACS,Reag. Ph Eur

SMILES string

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

InChI

1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);10*1H2/q2*+1;;;;;;;;;;;/p-2

InChI key

RSIJVJUOQBWMIM-UHFFFAOYSA-L

grade

ACS reagent

agency

reag. Ph. Eur.

product line

EMSURE®

assay

≥99.0% (alkalimetric)
98.5-101% dry basis (alkalimetric)

form

crystals

impurities

≤0.01% Insoluble matter

loss

52.0-57.0% loss on drying, 130 °C

pH

5.2-8.0 (25 °C, 50 g/L in H2O, anhydrous substance)

mp

32.4 °C

density

1.464 g/cm3

bulk density

700 kg/m3

anion traces

chloride (Cl-): ≤0.0003%
phosphate (PO43-): ≤0.0005%

cation traces

As: ≤0.0001%
Ca: ≤0.002%
Fe: ≤0.0005%
K: ≤0.002%
Mg: ≤0.001%
N: ≤0.0003%
heavy metals (as Pb): ≤0.0003%

storage temp.

15-25°C

Quality Level

相关类别

Analysis Note

Assay (alkalimetric): ≥ 99.0 %
Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water; 25 °C): 5.2 - 8.0
Acidity or alkalinity: passes test
Chloride (Cl): ≤ 0.0003 %
Phosphate (PO₄): ≤ 0.0005 %
Total nitrogen (N): ≤ 0.0003 %
Heavy metals (as Pb): ≤ 0.0003 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on drying (130 °C): 52.0 - 57.0 %
corresponds to ACS,Reag. Ph Eur

Application


  • Nanoscale Stabilization Mechanism of Sodium Sulfate Decahydrate at Polyelectrolyte Interfaces: Discusses the stabilization mechanisms at the nanoscale, providing insights into sodium sulfate decahydrate′s applications in polyelectrolyte-enhanced processes, relevant in materials science and engineering (Akamo et al., 2024).

Legal Information

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

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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