Chloride as an indicator of residual solvent presence in cellulose ester-based foil

IC Application Note CIC–030 Fluorine determination from fluorochemicals in fabrics applying Combustion IC Fluoride released from fabrics after pyrohydrolysis is determined by IC on a Metrosep A Supp 4 - 250/4.0 column. Chromatogram of fluoride, chloride, bromide, sulfite, and sulfate…

IC Application Note CIC–20 Fluorine in coal sample applying Metrohm Combustion IC according to ASTM D8247 Coal contains a certain amount of fluorine, chlorine, and sulfur compounds. During combustion of the coal, these components release corrosive acids (e.g., fluorine compounds…

IC Application Note CIC–014 Trace chloride in wax fraction of crude oil distillation applying Metrohm Combustion IC The wax fraction from crude oil distillation is a source of paraffin wax and lubricating oils. These products require low chloride content. Here,…

IC Application Note CIC–21 Halogen and sulfur in chlorinated and brominated halobutyl rubber applying Combustion IC Halobutyl rubber is frequently used in the production of pharmaceutical stoppers. It is ideal for this application due to its low permeability to gases…