18
PHO
TOMETER
7. PHOTOMETER
7.1. PROPER USE OF DROPPER BOTTLE
1. Tap the dropper on the table several times and wipe the outside of the tip with
a cloth.
2. Always keep the dropper bottle in a vertical position while dosing the reagent.
7.2. CUVETTE PREPARATION
Proper mixing is very important for reproducibility of the measurements. The proper
mixing technique is listed in the method procedure.
The mixing method is indicated with “shake gently“ 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.
Whenever the cuvette is placed into the measurement holder, it must be dry outside
and free of fingerprints, oil or dirt. Wipe it thoroughly with
HI731318
microfiber
cleaning cloth or a lint-free wipe prior to insertion.
