BS-EN-ISO-7393-2 Complete Document History
Water quality. Determination of free chlorine and total chlorine

Complete Current Edition:
   2018 EDITION - Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes - Feb. 19, 2018
   2018 EDITION CORRIGENDUM 1 - CORRIGENDUM 1 FOR 2018 EDITION - May 11, 2018

Obsolete Revision Information:
   2000 EDITION - REAFFIRMED IN 2008 - May 1, 2000