Hanna Instruments HI 83225-01 User Manual
Page 51

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