2372
Anal. Chem.
1981,53, 2372-2374
half. The possibility of atmospheric contamination of sample and capsule surfaces, activated by vacuum and/or heat pretreatment, is prevented with the new sampling system, because sample capsules are never exposed to the atmosphere after preanalysis treatment, as they were with the previous sample loading system. This is important in the analysis of samples with low nitrogen concentrations (
