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About This Item
grade
ACS reagent
Quality Segment
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 (ACS) ≤ 0.0003%)
storage temp.
15-25°C
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
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).
Analysis Note
Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
pH (5 %;water, 25°C) 7.5 - 9.0
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
Legal Information
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This Item | |||
|---|---|---|---|
| description for analysis EMSURE® ACS,Reag. Ph Eur | description ACS reagent, ≥99.0% | description reagent grade, 97% | description puriss. p.a., crystallized, ≥99.0% (calc. based on dry substance, T) |
| form crystals | form crystals | form crystals or granules | form crystals |
| assay ≥99.0% (alkalimetric), 98.5-101% dry basis (alkalimetric) | assay ≥99.0% | assay 97% | assay ≥99.0% (calc. based on dry substance, T) |
| Quality Level 300 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| grade ACS reagent | grade ACS reagent | grade reagent grade | grade - |
| cation traces As: ≤0.0001%, Fe: ≤0.0005%, Mg: ≤0.001%, (heavy metals (ACS) ≤ 0.0003%), Ca: ≤0.002%, N: ≤0.0003%, K: ≤0.002% | cation traces Ca: ≤0.005%, Fe: ≤5 ppm, K: ≤0.005%, Mg: ≤0.003%, heavy metals (as Pb): ≤3 ppm | cation traces - | cation traces Ca: ≤20 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤20 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg |
| density 1.464 g/cm3 | density 1.46 g/mL at 25 °C (lit.) | density 1.46 g/mL at 25 °C (lit.) | density 1.46 g/mL at 25 °C (lit.) |
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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