22
PHO
TOMETER
7.3. CUVETTE & CYLINDER PREPARATION
Proper mixing is very important for reproducibility of the measurements. The proper
mixing technique for each method is listed in the method procedure.
(a) The mixing method is indicated with “shake vigorously“ using one of the following
icons:
(b) The mixing method is indicated with “shake gently“ using one of the following
icons:
(c) The mixing method is indicated with “swirl“ using one of the following icons:
In order to avoid reagent leaking and to obtain more accurate measurements, close
the cuvette first with the supplied HDPE plastic stopper
and then the black cap.