Hanna-instruments HI 83208-2008 Instrukcja Użytkownika Pobierz pdf (Strona 21)

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Manganese LR

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

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

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

to each cuvette, replace the caps and shake gently.

• 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. Alternatively wait for 2 minutes and then press

ZERO. The display will show "-0.0-" when the meter is

zeroed and ready for measurement.

• Insert the second cuvette with the reacted sample into

the instrument.

Manganese LR

MANGANESE LOW RANGE

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 73.

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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