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Measurement of methaemalbumin in plasma
  1. K. Murray,
  2. M. Knight,
  3. J. A. Owen
  1. Department of Haematology, St George's Hospital, London
  2. Department of Surgery, St George's Hospital, London
  3. Department of Chemical Pathology, St George's Hospital, London


    Using the method of Chong and Owen (1967), the normal range of methaemalbumin in plasma was 0 to 0·6 mg/100 ml, expressed as milligrams of haematin per cent. Previous results, using the method of Shinowara and Walters (1963), reported a normal range of 0 to 8·0 mg/100 ml, but it was expressed as milligrams of haemoglobin percent. The conversion factor from the Shinowara method is as follows: mg haematin % = mg haemoglobin % × 0·04.

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