LaMotte 1200 Colorimeter - Manual (Page 79)

If the reading displays
Er2
, repeat procedure on diluted sample, and multiply the result
by the appropriate dilution factor. See 1200 Colorimeter Instruction Manual for
procedure.
10. 9.
Cap tube and invert
to mix.
11. Align the index line with the
arrow on the meter, insert
tube into chamber.
Close the lid. Push
the
button. Record
results as ppm
Manganese.
READ
Note:
For the best possible results, carry a
reagent blank through the
procedure. After scanning the blank
in Step 4, perform the test procedure
on clear, colorless, distilled or
deionized water. Subtract results of
reagent blank from all subsequent
test results.
12.
Use the 0.5 mL
pipet (0369) to
add 0.5 mL of
*Manganese
Indicator Reagent
(3956).
Wipe tube dry.
CAL
I200
COLORIMETER
••••••••••••••••••
READ
L Mott