Important - Lovibond CHECKIT Comparator Instrucciones De Uso

Combined chlorine
Deduct the reading for free chlorine from the figure obtained
for total chlorine. The difference represents the result for
combined chlorine.
Example:
minus :
gives :
Note:
Levels of chlorine above 6 mg/l can cause bleaching of the
sample.

Important:

Place the cell with the mark (point) to the viewer in the com-
partment.
It is essential to rinse the cells thoroughly after each test.
To obtain maximum accuracy always view and match colour
against north day light.
Store CHECKIT Disc in the dark.
®
total chlorine
free chlorine
combined chlorine
1.20 mg/l
0.42 mg/l
0.78 mg/l
6
7