85-1348-05　Ferrous Sulfate (Iron II Sulfate) Heptahydrate, ACS 5Kg　CAS No:7782-63-0　F4021

特徴

• Used for quantitative analysis of nitrates.
• Synonyms:Iron II Sulfate Heptahydrate
• Molecular Formula:FeSO4•7H2O
• Molecular Weight:278.02
• Appearance:Bluish geen crystals
• Purity:≥99%
• Melting Point:65°C (approx.)
• pH:3-4 (25°C, 50g/L)
• Density:1.898g/ml at 25°C (lit.)
• Insoluble Matter:≤0.01%
• Calcium:≤0.005%
• Chloride:≤0.001%
• Copper:≤0.005%
• Ferric Ion (Fe3+):≤0.1%
• Magnesium:≤0.002%
• Manganese:≤0.05%
• Phosphate:≤0.001%
• Potassium:≤0.002%
• Sodium:≤0.002%
• Zinc:≤0.005%
• Substance not precipitated by NH4OH:≤0.05
• Solubility (20%):Green colored clear solution
• Storage and Stability:May be stored at RT.
• Warning:Irritant! Moisture sensitive!
• Meets or exceeds ACS Specifications