Ion Chromatography

Ion Chromatography (IC) is a technique for quantitative analysis of major anions, such as fluoride, chloride, bromide, nitrate, nitrite, sulphate and phosphate in the parts-per-billion (ppb) range. Concentration of organic acids can also be measured through ion chromatography. 

The chromatographic process separates the different ions within the sample based on their affinity to the ion exchanger. The concentration of an anions is measured by the change in conductivity as the species passes through the detector. 

Aqueous samples do not require any specific preparation, but solid samples, for example rubber and polymer samples or other organic matrices require oxygen flask combustion procedure before being analysed.

Rubber Consultants have used IC for analysis of Total Sulphur, Combined Sulphur, Total Chloride, Total Bromide, Migration studies, Leachable anions and Extractable anions.