18
PHO
TOMETER
7. PHOTOMETER
7.1. PROPER USE OF POWDER PACKET
1. Use scissors to open the powder packet.
2. Push the edges of the packet to form a spout.
3. Pour out the content of the packet.
7.2. CUVETTE PREPARATION
Proper mixing is very important for reproducibility of the measurements. The proper
mixing technique for each method 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.
