Iron (II) sulfate heptahydrate AGR ACS

FeSO₄·7H₂O
Green Vitriol
M.W: 278,02  CAS: 7782-63-0  EC: 231-753-5  TARIC: 28332980

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• Appearance Light blue or blue-green or green powder or crystals
• Assay ? 99.0%
• Iron III (Fe (III)) ? 0.1%
• Copper (Cu) ? 0.005%
• Insoluble matter ? 0.01%
• pH (5% water) 3.0 – 4.0
• Chloride (Cl^–) ? 0.001%
• Phosphate (PO₄) ? 0.001%
• Manganese (Mn) ? 0.05%
• Zinc (Zn) ? 0.005%
• Calcium (Ca) ? 0.005%
• Magnesium (Mg) ? 0.002%
• Potassium (K) ? 0.002%
• Sodium (Na) ? 0.02%

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