“…Karlsson (17) performed coulometric determination of both C and H by aquametry based on the Karl Fischer method, CO2 being converted to H2O by LiOH at 215 °C. For gas chromatographic determination, H2O is preferably converted to CO2 in a tube containing a mixture of -naphthylisocyanate and l,4-diazabicyclo[2.2.2]octane impregnated on Chromsorb P-AW (18).…”