Hanna Instruments c 99 Manuel D’Utilisation

91

SPECIFICATIONS

Range

0 to 300 µg/L

Resolution

1 µg/L

Accuracy

±2 µg/L ±3% of reading

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 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Manganese LR on

the secondary LCD by pressing PROGRAM W and V.

• Fill one cuvet with 10 mL of deionized water

(up to the mark).

• Fill a second cuvet with 10 mL of sample (up to

the mark).

• Add the content of one packet

of HI 93748A Ascorbic acid to
each cuvet, replace the caps
and shake gently until dissolution
is complete.

Manganese LR