Determination of Major Components and Trace Contaminants in Assorted Plating Baths by Atomic Absorption Analysis

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Courtesy of Buck Scientific Inc

Precious metal, non-ferrous, and ferrous plating operations cover almost every facet of modern life: automotive parts, kitchen & bathroom fixtures, electrical parts, electronic components, furniture, tools, plumbing, construction supplies, die castings, jewelry, etc.

Good manufacturing practices, and lately, government regulations for environmental safety, have prompted many plating operations to perform more stringent tests on their products. This determines the composition of the major elements in the bath, and also verifies the “cleanliness” of the bath (i.e. no toxic or hazardous metals). Checking the effluent and wastewater from a production operation is also required under most state guidelines. In the past, simple titrimetric or colorimetric tests were sufficient for the determination of major components, but lacked the speed for good quality control methodology, and sensitivity for trace analysis.

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