Hanna Instruments HI 83205 User Manual
Page 46
46
Iron LR
IRON LOW RANGE
SPECIFICATIONS
Range
0 to 400 μg/L
Resolution
1 μg/L
Accuracy
±10 μg/L ±8% of reading at 25 °C
Typical EMC
±1 μg/L
Deviation
Light Source
Tungsten lamp with narrow band interference filter @ 575 nm
Method
Adaptation of the TPTZ Method. The reaction between iron and the reagent causes a
violet tint in the sample.
REQUIRED REAGENTS
Code
Description
Quantity
HI 93746-0
TPTZ Reagent
2 packets
REAGENT SETS
HI 93746-01 Reagents for 50 tests
HI 93746-03 Reagents for 150 tests
For other accessories see page 73.
MEASUREMENT PROCEDURE
• Select the
Iron LR method using the procedure described in the
Method Selection section (see page 12).
• Fill one graduated mixing cylinder up to the 25 mL mark with
deionized water.
• Add the content of one packet of HI 93746-0 TPTZ reagent,
close the cylinder and shake vigorously for 30 seconds. This is
the blank.
• Fill a cuvette with 10 mL of the blank up to the mark and
replace the cap.
• Place the cuvette into the holder and close the lid.
10 mL
25 mL