Hanna Instruments HI 83207-01 - Manual (Page 35)

35 Manganese LR
MANGANESE LOW RANGE
SPECIFICATIONS
Range 0 to 300 μg/L
Resolution 1 μg/L
Accuracy ±10 μg/L ±3% 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 PAN Method. The reaction between manganese and the reagents
causes an orange tint in the sample.
REQUIRED REAGENT
Code Description Quantity
HI 93748A-0 Ascorbic acid 2 packets
HI 93748B-0 Alkaline-cyanide sol. 0.40 mL
HI 93748C-0 0.1% PAN indicator 2 mL
HI 93703-51 Dispersing Agent 4-6 drops (only when necessary, see note)
REAGENT SETS
HI 93748-01 Reagents for 50 tests
HI 93748-03 Reagents for 150 tests
For other accessories see page 65.
MEASUREMENT PROCEDURE
• Select the Manganese LR method using the procedure described in the Method Selection section (see
page 12).
• Fill one cuvette with 10 mL of deionized water (up to the mark).
• Fill a second cuvette with 10 mL of sample (up to the mark).
• Add the content of one packet of HI 93748A-0 Ascorbic acid to
each cuvette, replace the caps and shake gently until completely
dissolved.
10 mL
10 mL