Cornish Way
  Barbot Hall Industrial Estate
  Rotherham
  South Yorkshire
  S62 6EG
  Tel: 44 (0) 1709 362523
  Fax: 44 (0) 1709 369045
  E-mail: roth@gowerchemicals.ltd.uk
  Web site: www.gowerchemicals.ltd.uk

NITRIC 69% VLSI GRADE

COMPONENT   SPECIFICATION
       
Particles (above 0.5µm)   250/ml
Assay   69.0% - 70.0% m/m
Colour   10 Hazen Units maximum
Chlorides (Cl) 500 ppb maximum
Phosphates (PO4) 500 ppb maximum
Sulphates (SO4) 500 ppb maximum
Aluminium (Al) 20 ppb maximum
Antimony (As) 5 ppb maximum
Arsenic (Sb) 5 ppb maximum
Barium (Ba) 20 ppb maximum
Bismuth (Bi) 20 ppb maximum
Boron (B) 10 ppb maximum
Cadmium (Cd) 10 ppb maximum
Calcium (Ca) 100 ppb maximum
Chromium (Cr) 20 ppb maximum
Cobalt (Co) 10 ppb maximum
Copper (Cu) 10 ppb maximum
Gallium (Ga) 20 ppb maximum
Gold (Au) 10 ppb maximum
Iron (Fe) 100 ppb maximum
Lead (Pb) 10 ppb maximum
Lithium (Li) 10 ppb maximum
Magnesium (Mg) 50 ppb maximum
Manganese (Mn) 10 ppb maximum
Molybdenum (Mo) 20 ppb maximum
Nickel (Ni) 10 ppb maximum
Potassium (K) 50 ppb maximum
Silver (Ag) 10 ppb maximum
Sodium (Na) 100 ppb maximum
Strontium (Sr) 20 ppb maximum
Tin (Sn) 10 ppb maximum
Titanium (Ti) 20 ppb maximum
Vanadium (V) 10 ppb maximum
Zinc (Zn) 50 ppb maximum
Zirconium (Zr) 20 ppb maximum