PT - JOURNAL ARTICLE AU - R. N. Ibbotson AU - B. A. Crompton TI - Quantitative determination of haemoglobin A<sub>2</sub> using paper electrophoresis AID - 10.1136/jcp.14.2.164 DP - 1961 Mar 01 TA - Journal of Clinical Pathology PG - 164--166 VI - 14 IP - 2 4099 - http://jcp.bmj.com/content/14/2/164.short 4100 - http://jcp.bmj.com/content/14/2/164.full SO - J Clin Pathol1961 Mar 01; 14 AB - A quantitative paper electrophoresis method for the separation of haemoglobins A and A2 is described. The possible sources of error and the accuracy of the method have been investigated. The normal range for haemoglobin A2 by this method is 1·3% to 4·3% of the total haemoglobin concentration. Good clinical correlation has so far been obtained.