New spot-test for cyanide ion and cyanogen gas

Ion-exchange method for simultaneous microgram detection of sulfur, chlorine, iodine, and nitrogen in organic compounds

“…It can be assumed that not all iodine gas is reacted with the Iion, a little of it is adsorbed on the resin surface which interacts with the starch molecule and produces a deep violet color. The following compounds gave a positive test: Iodoacetamide (5.54 Mg), iodoform (5.90 Mg), methyliodide (35.48 The nitrogen was detected by the cyanide ion test (11). A number of substances including iodide ion, oxidizing, and reducing agents interfere with the test.…”

“…The smallest amount of sample that can be analyzed with these techniques is dependent upon the efficiency of the trapping; loss of material and time involved in the manipulations pose limitations. For direct recording of vaporphase infrared spectra of chromatographic effluents, infrared spectrometers have been developed (8)(9)(10)(11) to scan rapidly from 4000 to 660 cm-1 in less than 30 seconds, but with some loss in quality. Infrared spectra of chromatographic effluents can also be measured directly by inter-…”