k-6702-molybdate
k-6702-molybdate

CHEMets Molybdate Visual Method

CHEMets Molybdate Visual Method

Molybdate is used throughout the industrial water treatment and power generation industries as a corrosion inhibitor in both open and closed loop cooling water systems. In solution, molybdate anions complex with oxidised iron to form a protective film of molybdate and ferric-oxide. Molybdate is considered an effective, environmentally acceptable alternative to chromate treatment. Unlike many other transition elements, molybdenum exhibits low or even negligible toxicity.

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The molybdate test method employs the catechol chemistry. In a mildly reducing alkaline solution, catechol reacts with hexavalent molybdenum to form a yellow-orange coloured chelate in direct proportion to the hexavalent molybdenum concentration. Test results are expressed in ppm (mg/L) molybdenum (Mo).

Ordering Information:

Analyte: MOLYBDATE
Method: Catechol METHOD
Type: CHEMet

K-6701 Molybdate 0-7 ppm
K-6702 Molybdate 2-24 ppm
K-6720 Molybdate 20-200 ppm

Test kits contain 30 ampoules, comparators, accessory solutions (when necessary), snap cup, MSDS, and instructions.

i6701

i6702

i6720

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