Erfahrungen mit dem neuen ERBA-CHNO-Analysator Modell 1102

Stoffel, R.

doi:10.1007/bf00424523

Cited by 5 publications

(1 citation statement)

References 6 publications

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“…The water produced was trapped in a silver spiral at -70 °C; the carbon dioxide and nitrogen were separated in a copper spiral containing silica gel at -60 °C and the three components finally determined by thermal-conductivity measurements. Stoffel (291) analyzed more than 300 samples with the Erba CHNO Analyzer, model 1102 and the results were satisfactory. Some improvements were recommended, such as use of Koerbl catalyst, use of boats made of tin and insertion of a 3-cm length of silica tubing into the combustion tube.…”

Section: Simultaneous Determination Of Several Elementsmentioning

confidence: 95%

Organic elemental analysis

S.¹,

Gutterson²

1974

Anal. Chem.

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This review follows the previous one (189) and covers the literature and information received by the authors from October 1971 to November 1973. As in the past, it surveys the developments in the determination of the elements in organic materials.Since the commercial CHN analyzers have been on the market for some ten years (186), time is come for an overall evaluation of these automated machines. At the International Symposium on Microtechniques held in University Park, Pa. in August 1973, several practicing microanalysts reported on the performance of the respective apparatus which they had used for long periods. The findings are favorable. At the same time, it is noted that the number of commercial instruments (187, 188) has diminished. Research activities on automation, however, have been vigorous, as evidenced by the papers on coulometric methods, use of ion-selective electrodes, and other elec-

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Section: Simultaneous Determination Of Several Elementsmentioning

confidence: 95%