Hanna Instruments HI 83205 - Manual (Page 43)

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• Add 12 drops of the HI 93704-0 reagent to
each cuvette. Replace the caps and shake
gently to mix (about 30 seconds).
• Place the blank (#1) into the holder and close the lid.
• Press Timer and the display will show the countdown prior to zeroing the blank. The display will show
“-0.0-” when the meter is zeroed and ready for measurement.
• Remove the blank.
• Insert the cuvette with the reacted sample (# 2) into the
instrument and close the lid.
• Press Read to start the reading. The instrument displays concentration in μμμμμg/L of hydrazine.
Hydrazine
INTERFERENCES
Interference may be caused by:
Highly colored samples
Highly turbid samples
Aromatic amines
# 1 # 2
# 1
# 2