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The reduction of pertechnetate ions by dilute hydrochloric acid and by solutions of lithium chloride and sodium chloride in dilute hydrochloric acid is reported. The presence of lithium chloride accelerates the reduction, but sodium chloride slows down the rate of reduction by hydrochloric acid....
The reduction of pertechnetate ion by dilute hydrochloric acid has been shown to be accelerated by the addition of bromide or iodide ions to the reaction mixture. At room temperature, concentrated hydrochloric acid requires an aging of two years to reduce pentavalent technetium, produced in the...
The construction and set-up of a dual-flame photometric detector (DFPD) which, through “three channel” operation, allows the simulatneous selective determination of P-, S-, Cl-containing compounds eluted from a G. C. column is described. For P- and S-containing compounds the molecular...
Effcient micro-analytical separations of platinum metals in the mixed solutions of their salts have been successfully carried outby ascending thin-layer chromatography on silica gel ‘G’ support, using PTC and benzidine reagents. The separated chromatographed species have been determined by...
The simultaneous and quantitative determination of neutral and amino sugars by gas-liquid chromatography is described and applied for the first time to the analysis of glycoproteins. The alditol acetate method yielding only one derivative for each sugar was utilized. The derivatives formed were...
With the increasing availability of computer facilities and the existence of a satisfactory model for the behaviour of the flame ionization detector in the non-linear region, the extension of the quantitative range into this region is now a practical proposition.
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