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% BP GRADE

CHARACTERISTICS A clear, colourless, syrupy liquid; corrosive. When kept at a low temperature it may solidify, producing a mass of colourless crystals which do not melt until the temperature reaches 28 oC. It has a relative density of about 1.7.
 
 
 

COMPONENT   SPECIFICATION
       
Assay   84.0% - 90.0% m/m
Chloride (Cl) 50 ppm maximum
Sulphate (SO4) 100 ppm maximum
Clarity & Colour of solution   Clear & Colourless
Arsenic (As) 2 ppm maximum
Iron (Fe) 50 ppm maximum
Lead (Pb) 10 ppm maximum
Substances precipitated with Ammonia   Passes test
Hypophosphorous acid & Phosphorous acid Passes test

Material conforms to the analytical specifications defined in the British Pharmacopoeia monograph (1998) for Phosphoric Acid.
Characteristics are not to be interpreted in a strict sense, and are not to be regarded as analytical requirements.