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PHOSPHATE HIGH RANGEPHOSPHATE HIGH RANGE
PHOSPHATE HIGH RANGEPHOSPHATE HIGH RANGE
PHOSPHATE HIGH RANGE
Phosphate HR
SPECIFICATIONS
Range 0.0 to 30.0 mg/L
Resolution 0.1 mg/L
Accuracy ±1 mg/L ±4% of reading
Typical EMC Dev. ±0.1 mg/L
Light Source Tungsten lamp with narrow band interference
filter @ 525 nm
Method Adaptation of the Standard Methods for the
Examination of Water and Wastewater, 18
th
edition, Amino Acid method. The reaction be-
tween phosphate and reagents causes a blue
tint in the sample.
REQUIRED REAGENTS
Code Description Quantity
HI 93717A-0 Molybdate 10 drops
HI 93717B-0 Amino Acid 0.5 mL
HI 93717B-P Amino Acid powder 2 packets for 100 tests
REAGENT SETS
HI 93717-01 Reagents for 100 tests
HI 93717-03 Reagents for 300 tests
For other accessories see page 141.
MEASUREMENT PROCEDURE
• Add the content of one packet of HI 93717B-P Amino
Acid powder to HI 93717B Amino Acid bottle when
you use it for the first time only. After you have
added the powder, replace the cap of the bottle and swirl it
gently for 2 minutes to dissolve the powder. Leave the bottle
undisturbed for about 5 minutes, then the reagent is ready.
Note: after adding the Amino Acid powder, the HI 93717B
reagent will last for about one month.
• Select the program number corresponding to Phosphate HR on
the secondary LCD by pressing PROGRAM W and V.
• Fill the cuvet with 10 mL of
unreacted sample (up to the
mark) and replace the cap.
• Place the cuvet into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
10 mL
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