Hanna Instruments HI 83207-01 - Manual (Page 36)

36 Manganese LR
• Add 0.2 mL of the HI 93748B-0 Alkaline-cyanide reagent
solution to each cuvette, replace the caps and invert gently
to mix for about 30 seconds.
• Add 1 mL of the HI 93748C-0 0.1% PAN indicator
solution to each cuvette, replace the caps and shake
gently.
• Add 3 drops of Dispersing Agent (HI 93703-51) to each
cuvette, replace the caps and invert gently to mix for
about 30 seconds.
• Place the cuvette with the reacted deionized water (blank)
into the holder and close the lid.
• Press Timer and the display will show the countdown prior to zeroing the blank. Alternatively wait for
2 minutes and then press Zero. The display will show “-0.0-” when the meter is zeroed and ready for
measurement.