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
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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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