Potassium sulphate, anhydrous 99+%, powder for analysis

Supplier: Thermo Scientific
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ACRO207775000EA 23.7 GBP
ACRO207775000 ACRO207770050
Potassium sulphate, anhydrous 99+%, powder for analysis
Potassium sulphate
Formula: K₂SO₄
MW: 174.26 g/mol
Boiling Pt: 1689 °C (760 mmHg)
Melting Pt: 1067 °C
Storage Temperature: Ambient
MDL Number: MFCD00011388
CAS Number: 7778-80-5
EINECS: 231-915-5
Merck Index: 13,07759

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Specification Test Results

Appearance White Powder or crystals
pH 5.5 to 8 (5 % at 20°C)
Titration with HClO4 ≥99.0 %
Chloride (Cl) ≤5 ppm
Calcium (Ca) ≤50 ppm
Iron (Fe) ≤5 ppm
Magnesium (Mg) ≤20 ppm
Sodium (Na) ≤200 ppm
Heavy metals (as Pb) ≤5 ppm
Total nitrogen (as N) ≤0.0005 %

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