Semi-micro reflux procedure for minimization of chloride interference by COD determination.

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Semi-micro reflux procedure for minimization of chloride interference by COD determination. / Martins, Ayrton Figueiredo; de Jesus, Lucas E.W.; Vendruscolo, Nadia et al.
In: Clean - Soil, Air, Water, Vol. 36, No. 1, 25.01.2008, p. 66-69.

Research output: Journal contributionsJournal articlesResearchpeer-review

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Martins AF, de Jesus LEW, Vendruscolo N, Vasconcelos TG, Wilde ML. Semi-micro reflux procedure for minimization of chloride interference by COD determination. Clean - Soil, Air, Water. 2008 Jan 25;36(1):66-69. doi: 10.1002/clen.200700154

Bibtex

@article{d80341b306c74743a0951f24ca7a8c1d,
title = "Semi-micro reflux procedure for minimization of chloride interference by COD determination.",
abstract = "In this study, a semi-micro procedure for the COD (Chemical Oxygen Demand) was undertaken to allow the measurement of effluent samples with a high chloride content. It was found that the COD values for standard and effluent samples, corresponded closely to those obtained using the standard method of Burns and Marshall. When the method was applied to samples of industrial wastewater, with a very high chloride content, the recommended procedure proved to be accurate and precise, with RSDs of 6% and 4.3% for the standard and effluent solutions, respectively. The required amount of hazardous reagents was similar to that found in the standard closed reflux method. It was also possible to determine the total amount of oxidized halides. The use of this low-cost, laboratory-made system made it unnecessary to acquire an expensive, imported analytical system, while maintaining a high level of accuracy in the determinations.",
keywords = "Chemistry, Chemical oxygen demand, Chloride interference, Reflux method, Semi-micro analysis",
author = "Martins, {Ayrton Figueiredo} and {de Jesus}, {Lucas E.W.} and Nadia Vendruscolo and Vasconcelos, {Tibiri{\c c}a G.} and Wilde, {Marcelo Luis}",
year = "2008",
month = jan,
day = "25",
doi = "10.1002/clen.200700154",
language = "English",
volume = "36",
pages = "66--69",
journal = "Clean - Soil, Air, Water",
issn = "1863-0669",
publisher = "Wiley-VCH Verlag",
number = "1",

}

RIS

TY - JOUR

T1 - Semi-micro reflux procedure for minimization of chloride interference by COD determination.

AU - Martins, Ayrton Figueiredo

AU - de Jesus, Lucas E.W.

AU - Vendruscolo, Nadia

AU - Vasconcelos, Tibiriça G.

AU - Wilde, Marcelo Luis

PY - 2008/1/25

Y1 - 2008/1/25

N2 - In this study, a semi-micro procedure for the COD (Chemical Oxygen Demand) was undertaken to allow the measurement of effluent samples with a high chloride content. It was found that the COD values for standard and effluent samples, corresponded closely to those obtained using the standard method of Burns and Marshall. When the method was applied to samples of industrial wastewater, with a very high chloride content, the recommended procedure proved to be accurate and precise, with RSDs of 6% and 4.3% for the standard and effluent solutions, respectively. The required amount of hazardous reagents was similar to that found in the standard closed reflux method. It was also possible to determine the total amount of oxidized halides. The use of this low-cost, laboratory-made system made it unnecessary to acquire an expensive, imported analytical system, while maintaining a high level of accuracy in the determinations.

AB - In this study, a semi-micro procedure for the COD (Chemical Oxygen Demand) was undertaken to allow the measurement of effluent samples with a high chloride content. It was found that the COD values for standard and effluent samples, corresponded closely to those obtained using the standard method of Burns and Marshall. When the method was applied to samples of industrial wastewater, with a very high chloride content, the recommended procedure proved to be accurate and precise, with RSDs of 6% and 4.3% for the standard and effluent solutions, respectively. The required amount of hazardous reagents was similar to that found in the standard closed reflux method. It was also possible to determine the total amount of oxidized halides. The use of this low-cost, laboratory-made system made it unnecessary to acquire an expensive, imported analytical system, while maintaining a high level of accuracy in the determinations.

KW - Chemistry

KW - Chemical oxygen demand

KW - Chloride interference

KW - Reflux method

KW - Semi-micro analysis

UR - http://www.scopus.com/inward/record.url?scp=38849199637&partnerID=8YFLogxK

U2 - 10.1002/clen.200700154

DO - 10.1002/clen.200700154

M3 - Journal articles

VL - 36

SP - 66

EP - 69

JO - Clean - Soil, Air, Water

JF - Clean - Soil, Air, Water

SN - 1863-0669

IS - 1

ER -

DOI