Test Procedures
APPLICATION:
Drinking, industrial, domestic and swimming pool waters
RANGE:
0–60 ppm Hydrogen Peroxide
MDL:
1 ppm
METHOD:
Hydrogen peroxide reacts with an excess of potassium
iodide through the action of a catalyst and buff er to release
an equivalent amount of iodine. The iodine in turn reacts with
diethyl-p-phenylenediamine (DPD) to produce a pink-red
color in proportion to the iodine released.
SAMPLE HANDLING &
PRESERVATION:
Hydrogen peroxide is not stable in aqueous solutions.
Exposure to sunlight and agitation will accelerate the
reduction of hydrogen peroxide in dilute solutions. For best
results start analysis immediately after sampling.
INTERFERENCES:
The likelihood of other oxidizing compounds interfering
with this method is eliminated by the presence of hydrogen
peroxide. Manganese may interfere and should be removed
before analysis
HYDROGEN PEROXIDE
, HIGH RANGE
SMART Spectro 2 Test Procedures 05.02.16
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