Hanna Instruments HI 83206-2008 - Manual (Page 20)

38 39 Molybdenum
MOLYBDENUM
SPECIFICATIONS
Range 0.0 to 40.0 mg/L
Resolution 0.1 mg/L
Accuracy ±0.3 mg/L ±5% of reading
Typical EMC ±0.1 mg/L
Deviation
Light Source
Tungsten lamp with narrow band interference filter @ 420 nm
Method Adaptation of the mercaptoacetic acid method. The reaction between molybdenum and
the reagents causes a yellow tint in the sample.
REQUIRED REAGENT
Code Description Quantity
HI 93730A-0 Reagent A 1 packet
HI 93730B-0 Reagent B 1 packet
HI 93730C-0 Reagent C 1 packet
REAGENT SETS
HI 93730-01 Reagents for 100 tests
HI 93730-03 Reagents for 300 tests
For other accessories see page 73.
MEASUREMENT PROCEDURE
• Select the Molybdenum method using the procedure
described in the Method Selection section (see page 12).
• Fill the cuvette with 10 mL of unreacted sample (up to
the mark) and replace the cap.
• Place the cuvette into the holder and close the lid.
• Press ZERO key. The display will show “-0.0-” when
the meter is zeroed and ready for measurement.
Cyanuric Acid
• Fill a second cuvette with 10 mL of the reacted sample up to the
mark. Replace the cap.
• Reinsert the cuvette into the instrument.
• Press TIMER and the display will show the countdown prior to the measurement or, alternatively, wait
for 45 seconds and press READ. When the timer ends the meter will perform the reading.
• The instrument displays concentration in mg/L of cyanuric acid.
10 mL