Hanna Instruments HI 83200C User Manual

Page 40

Manganese LR

• Add 0.2 mL of the HI 93748B-0 Alkaline-cyanide reagent

solution to each cuvette, replace the caps and invert gently
to mix for about 30 seconds.

• Add 1 mL of the HI 93748C-0 0.1% PAN indicator

solution to each cuvette, replace the caps and shake
gently.

• Add 3 drops of Dispersing Agent (HI 93703-51) to each

cuvette, replace the caps and invert gently to mix for
about 30 seconds.

• Place the cuvette with the reacted deionized water (blank)

into the holder and close the lid.

• Press

Timer and the display will show the countdown prior to zeroing the blank. Alternatively wait for

2 minutes and then press

Zero. The display will show "-0.0-" when the meter is zeroed and ready for

measurement.

Manganese LR

MANGANESE LOW RANGE

SPECIFICATIONS

Range

0 to 300

g/L

Resolution

g/L

Accuracy

±10

g/L ±3% of reading at 25 °C

Typical EMC

±1

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 128.

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