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49
BROMINE
• Remove the cuvette.
• Add one packet of
HI93716‑0
Bromine Reagent. Replace
the cap and shake gently for about 20 seconds to dissolve
most of the reagent.
• Reinsert the cuvette into the instrument and close the lid.
• Press
Timer
and the display will show the countdown prior to the measurement or, alternatively,
wait for 2 minutes and 30 seconds and press
Read
. When the timer ends the meter will perform
the reading. The instrument displays the results in
mg/L of bromine (Br
2
).
INTERFERENCES
Interference may be caused by: Chlorine, Iodine, Ozone, Oxidized forms of Chromium and Manganese.
In case of water with hardness greater than 500 mg/L CaCO
3
, shake the sample for approximately
1 minute after adding the reagent.
In case of water with alkalinity greater than 300 mg/L CaCO
3
or acidity greater than 150 mg/L CaCO
3
,
the color of the sample may develop only partially, or may rapidly fade. To resolve this, neutralize the
sample with diluted HCl or NaOH.