Hanna Instruments HI 83213-2008 User Manual

Page 24

Bromine

• Remove the cuvette and add the content of one packet of

HI 93716-0 DPD reagent. Replace the cap and shake gently for
about 20 seconds to dissolve most of the reagent.

• Reinsert the cuvette into the instrument.

• 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.

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

, shake the sample for approximately

2 minutes after adding the reagent.
In case of water with alkalinity greater than 250 mg/L CaCO

or acidity greater than 150 mg/L CaCO

the color of the sample may develop only partially, or may rapidly fade. To resolve this, neutralize the
sample with diluted HCl or NaOH.

This manual is related to the following products:

HI 83213