Division 7 NOTE
United Kingdom
The method may be controlled by using a solution of 0,1 or 0,2 % (m/v) of chloramine-T (4.1) treated in the same way as the sample (6).
United Kingdom
The method may be controlled by using a solution of 0,1 or 0,2 % (m/v) of chloramine-T (4.1) treated in the same way as the sample (6).