Sodium sulfate anhydrous EPR Reag.

Na₂SO₄
M.W: 142,04  CAS: 7757-82-6  EC: 231-820-9  TARIC: 28331100

P: P102-P202  

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• Appearance ? White crystalline powder
• Assay 99 – 100.5%
• Identity ? Passes test
• Appearance of solution ? Passes test
• Acidity or alkalinity ? Passes test
• pH (5% solution in water) 5.2 – 8.0
• Chloride (Cl^–) ? 0.02%
• Heavy metals (Pb) ? 0.001%
• Arsenic (As) ? 0.0003%
• Calcium (Ca) ? 0.005%
• Iron (Fe) ? 0.001%
• Magnesium (Mg) ? 0.001%
• Loss on drying (130ºC) ? 0.5%

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