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75
Manganese LR
MANGANESE LOW RANGE
SPECIFICATIONS
Range
0 to 300
μ
g/L
Resolution
1
μ
g/L
Accuracy
±10
μ
/L ±3% of reading at 25 °C
Typical EMC
±1
μ
g/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 93748
A
-0
Ascorbic acid
2 packets
HI 93748
B
-0
Alkaline-cyanide sol.
0.40 mL
HI 93748
C
-0
0.1% PAN indicator
2 mL
HI 93703-51
Dispersing Agent
4-6 drops
REAGENT SETS
HI 93748-01
Reagents for 50 tests
HI 93748-03
Reagents for 150 tests
For other accessories see page 132.
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