Hanna-instruments HI 83207-01 Manuale Utente Scaricare il pdf (Pagina 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

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Hanna-instruments HI 83207-01 Manuale Utente Pagina 35