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Hanna Instruments HI 83225-01 User Manual

Page 51

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51

SPECIFICATIONS

Range

0 to 150 mg/L

Resolution

5 mg/L

Accuracy

±5 mg/L ±3% of reading at 25 °C

Light Source

Tungsten lamp with narrow band interference filter @ 466 nm

Method

Adaptation of the Calmagite method

.

REQUIRED REAGENTS

Code

Description

Quantity

HI 93752A-0 Mg Magnesium Buffer Reagent 1 mL
HI 93752B-0 Mg Magnesium Indicator Reagent 9 mL

REAGENT SETS

HI 937520-01

Reagents for 50 tests

HI 937520-03

Reagents for 150 tests

For other accessories see page 57.

MEASUREMENT PROCEDURE

Note: for sample preparation follow the IRRIGATION WATER (LR)
procedure on page 20.
• Select the

Magnesium method using the procedure described in

the

Method Selection section (see page 12).

• Using one 1 mL syringe add exactly 1.00 mL of HI 93752A-0 Mg

Buffer reagent to the cuvette and use the pipette to fill the
cuvette up to the 10 mL mark with the HI 93752B-0 Mg
Indicator reagent.

• Replace the cap and invert several times to mix.

• Place the cuvette into the holder and close the lid.

• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for

measurement.

Magnesium

MAGNESIUM