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ANALYSIS OF METAL FINISHING BATHS
A key to Quality, Productivity, Cost-Savings and a Cleaner Environment
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4. Chromatographic Methods ** or ***
The essence of chromatography is to enable a mixture of species, usually organic compounds, to be separated. After such a separation, the various amounts of each can be estimated. The separation can be carried out using porous paper (similar to blotting paper) with colorimetric identification of the species. HPLC is high-pressure liquid chromatography, which can be used for analysis of organic additives. Ion chromatography, as its name implies, is used to determine concentrations of simple anions & cations.