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

PHOSPHORIC 85% ELECTRONIC GRADE

COMPONENT   SPECIFICATION
       
Assay   85.0 - 87.0% min
Colour   10 Hazen Units maximum
Volatile acids   0.16 eq/g maximum
Chloride (Cl) 1 ppm maximum
Nitrate (NO3) 5 ppm maximum
Sulphate (SO4) 10 ppm maximum
Reducing substances   10 ppm maximum
Aluminium (Al) 1000 ppb maximum
Antimony (As) 5000 ppb maximum
Arsenic (Sb) 200 ppb maximum
Cadmium (Cd) 500 ppb maximum
Calcium (Ca) 2000 ppb maximum
Chromium (Cr) 1000 ppb maximum
Cobalt (Co) 500 ppb maximum
Copper (Cu) 500 ppb maximum
Iron (Fe) 2000 ppb maximum
Lead (Pb) 500 ppb maximum
Lithium (Li) 1000 ppb maximum
Magnesium (Mg) 1000 ppb maximum
Manganese (Mn) 500 ppb maximum
Nickel (Ni) 500 ppb maximum
Potassium (K) 1000 ppb maximum
Sodium (Na) 3000 ppb maximum
Strontium (Sr) 1000 ppb maximum
Zinc (Zn) 1000 ppb maximum
Material filtered to 0.2µm