Hach 59530-16, Instruction Manual

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1—33
Molybdenum, Molybdate, LR
(0.02 to 3.00 mg/L Mo)
Method 8169
For boiler and cooling tower waters
Ternary Complex Method
Measuring Hints
• The results can be expressed as mg/L molybdate (MoO
4
2–
) or mg/L sodium
molybdate (NaMoO
4
) by multiplying the mg/L molybdenum (Mo
6+
) result by
1.67 or 2.15, respectively.
• Wipe sample cells with a soft, dry cloth before placing in the instrument.
• After adding reagent, a green color will develop if molybdenum is present in
the sample.
Note:
The Pocket Colorimeter™ II is designed to measure solutions contained in sample cells.
DO NOT
dip the meter in the sample or pour the sample directly into the cell holder.