Alluminio potassio solfato dodecaidrato AGR

AlK(SO₄)₂·12H₂O
Allume di potassio
M.W: 474.39  CAS: 7784-24-9  EC: 233-141-3  TARIC: 28333000

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• Appearance ≥ White crystalline powder/crystals
• Assay (complexometric) 99.0 – 100.5%
• Identification: to comply USP, BP test
• Appearance of solution ≥ Passes test
• Insoluble matter ≤ 0.005%
• pH (10% solution in water) 3.0 – 3.5
• Chloride (Cl^–) ≤ 0.0005%
• Ammonium (NH₄) ≤ 0.005%
• Arsenic (As) ≤ 0.0002%
• Copper (Cu) ≤ 0.0005%
• Iron (Fe) ≤ 0.0005%
• Heavy metal (as Pb) ≤ 0.001%
• Sodium (Na) ≤ 0.02%
• Loss on drying (at 400ºC) 43 – 46%

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