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Nickel Sulphate

Production Information
PROPERTIES
Properties  
Chemical formula NiSO4
Boiling point 840 °C (1,540 °F; 1,110 K) (anhydrous, decomposes)
  100 °C (hexahydrate, decomposes)
Density  4.01 g/cm3 (anhydrous)
  2.07 g/cm3 (hexahydrate)
  1.948 g/cm3 (heptahydrate)
Melting point > 100 °C (anhydrous)
  53 °C (hexahydrate)
Molar mass 154.75 g/mol (anhydrous)
  262.85 g/mol (hexahydrate)
  280.86 g/mol (heptahydrate)
 
SPECIFICATION
Specification    
pH  : 4.91
Ni (min) : 22.37
Co (max) : 2.4
Cu (max) : 1
Fe (max) : 3.2
Mn (max) : 1.1
Zn (max) : 0.8
Ca (max)  : 2.2
Cd (max)  : 0.2
Mg (max) : 5.9
Na (max)  : 18.4
Pb (max) : 4.2
Insoluble (max). : 24.2