Hydrofluoric acid EXTRA PURE , LABORATORY CHEMICALS, SPECIFICATION

SPECIFICATION
HF M.W. 20.01
Minimum assay	48%
Maximum Limits of Impurities :
Non-volatile matter	0.0005%
Chloride ( CI )	0.0001%
Fluorosilicate ( SiF₆ )	0.005%
Phosphate ( PO₄)	0.00005%
Sulphate ( SO₄ )	0.0002%
Sulphite ( SO₃ )	0.0002%
Aluminium ( AI )	0.000005%
Barium ( Ba )	0.00001%
Cadmium ( Cd )	0.000001%
Calcium ( Ca )	0.00005%
Chromium ( Cr )	0.000002%
Cobalt ( Co )	0.000002%
Copper ( Cu )	0.000002%
Iron ( Fe )	0.00002%
Lead ( Pb )	0.000005%
Magnesium ( Mg )	0.00002%
Mangenese ( Mn )	0.000005%
Molybdenum ( Mo )	0.000005%
Nickel ( Ni )	0.000002%
Potassium ( K )	0.00001%
Sodium ( Na )	0.00002%
Strontium ( Sr )	0.000002%
Zinc ( Zn )	0.000005%