Sodium sulphate, anhydrous ≥99.0%, Puriss. p.a. ACS, ISO, Reag. Ph. Eur., Fluka™
Supplier: Honeywell Chemicals
Synonyms:
Disodium sulphate, Bisodium sulphate, Sulphuric acid disodium salt
31481-1KG
31481-2.5KG
31481-6X1KG
31481-6X2.5KG
31481-500G
HONC31481-1KGEA
252
SGD
HONC31481-1KG
HONC31481-2.5KG
HONC31481-6X1KG
HONC31481-6X2.5KG
HONC31481-500G
Sodium sulphate, anhydrous ≥99.0%, Puriss. p.a. ACS, ISO, Reag. Ph. Eur., Fluka™
Sodium sulphate
Formula:
Na₂SO₄ MW: 142,04 g/mol Melting Pt: 884 °C Density: 2,68 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00003504 CAS Number: 7757-82-6 EINECS: 231-820-9 Merck Index: 12,08829 |
Specification Test Results
Assay | Min. 99.0 % |
Assay (calculated to the dried substance) | 99 - 101.0 % |
Loss on ignition (800°C) | Max. 0.5 % |
Loss on drying (130°C) | Max. 0.5 % |
Water insoluble matter | Max. 0.01 % |
pH (5 %, 25 °C) | 5.2 - 8.0 |
Free acid (as H₂SO₄) | Max. 0.05 % |
Free alkali (as NaOH) | Max. 0.03 % |
Arsenic (As) | Max. 0.0001 % |
Calcium (Ca) | Max. 20 ppm |
Iron (Fe) | Max. 5 ppm |
Potassium (K) | Max. 0.01 % |
Magnesium (Mg) | Max. 25 ppm |
Zinc (Zn) | Max. 0.02 % |
Heavy metals (as Pb) | Max. 5 ppm |
Chloride (Cl) | Max. 10 ppm |
Phosphate (PO₄) | Max. 0.001 % |
Total N | Max. 5 ppm |
Appearance of the solution | complying |
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