Analyzer for the dynamic microdetermination of carbon, hydrogen, nitrogen, sulfur, and oxygen

Dugan, George; Aluise, V. A.

doi:10.1021/ac60272a029

Cited by 22 publications

(6 citation statements)

References 18 publications

(4 reference statements)

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“…According to Dugan [18,67,68] as well as to other authors [9,20], copper does not only react with SO2 only in the temperature range above 850 ~ while retaining oxygen. According to Dugan [18,67,68] as well as to other authors [9,20], copper does not only react with SO2 only in the temperature range above 850 ~ while retaining oxygen.…”

Section: Fig 2 Su]phur Determination By Gas Chromatographymentioning

confidence: 92%

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Automated determination of sulphur in organic compounds

Kaczmarek

Gondko

1986

Mikrochim Acta

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The paper reviews methods of sulphur determination over the last 120 years. Classical methods are presented in a historical view, and the present state of automatic procedures of sulphur estimation is discussed. 104 key references concerning sulphur analysis are cited. On the basis of the present level of the development of elemental analysis, a prognosis of directions of the development of sulphur microanalysis is attempted.

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Section: Fig 2 Su]phur Determination By Gas Chromatographymentioning

confidence: 92%

“…Dugan and Aluise first employed copper at 650 ~ for the complete conversion of sulphur to SO~ [18]. Dugan and Aluise first employed copper at 650 ~ for the complete conversion of sulphur to SO~ [18].…”

Section: Automatic Determination Of Sulphur By Gas Chromatographymentioning

confidence: 99%

Automated determination of sulphur in organic compounds

Kaczmarek

Gondko

1986

Mikrochim Acta

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“…In principle, all the non-biological key summation parameters of principal interest (total organic carbon, total nitrogen, total phosphorus, total organochlorine, and even total sulfur) could be determined by combustion and the separation of combustion products by the chromatographic methods. Already in 1969, Dugan and Aluise 193 had described an analyser for dynamic microdetermination of carbon, hydrogen, nitrogen, sulfur and oxygen. The procedure is based on the uncatalysed dynamic flash-combustion of the sample under an oxygenhelium atmosphere of 1070 uC in a quartz tube.…”

Section: Laboratory Set Upmentioning

confidence: 99%

A set up of a modern analytical laboratory for wastewaters from pulp and paper industry

Maximova¹,

Dahl²

2007

Chem. Soc. Rev.

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The introduction of analytical techniques allowing rapid, selective, sensitive, and reliable determination of aqueous pollutants is of crucial importance for the protection of the environment. This critical review summarizes the advanced analytical techniques suggested over the last ten years together with already established methods, and evaluates whether they are fit for wastewater quality assessment considering the area of application, interferences, limit of detection, calibration function, and precision. The key parameters of wastewater quality assessment are: total organic carbon (TOC), chemical oxygen demand (COD), biochemical oxygen demand (BOD), organochlorines (AOX), nitrogen, phosphorus, sulfur, and toxicity. Chromatography and capillary electrophoresis, photocatalytic oxidation with semiconductor nanofilms and atomic emission spectrometry, optical fibre sensors and chemiluminescence, amperometric mediated biosensors and microbial fuel cells, respirometry and bioluminescence measurements are just part of the proposed wastewater analyst's toolkit. The diversity of fundamental phenomena and the captivating elegance of interdisciplinary applications involved in the development of wastewater analytical techniques should attract the interest of a wide scientific audience including analytical chemists, chemical physicists, microbiologists and environmentalists. To conclude, we suggest a laboratory set up for the analysis of wastewaters from the pulp and paper industry.

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“…The hydrogen content was obtained from the current consumed during the electrolysis and from the peak height recorded in the chromatograph. Dugan and Aluise (54) employed the technique of dynamic flash combustion using oxygen-helium at 1060-1080 °C in a silica tube without a catalyst to decompose the sample. Products of combustion were retained and separated in two cold traps, one containing Carbowax 20 M on PTFE to retain C02, S02, and H20 and the other molecular sieve 5A to retain nitrogen.…”

Section: Chumachenkomentioning

confidence: 99%