First international comparative study of volatile fatty acids in aqueous samples by chromatographic techniques: Evaluating sources of error

F. Raposo; R. Borja; J. A. Cacho; J. Mumme; K. Orupõld; S. Esteves; J. Noguerol-Arias; S. Picard; A. Nielfa; P. Scherer; I. Wierinck; E. Aymerich; C. Cavinato; D. C. Rodriguez; N. García-Mancha; P. N.T. Lens; V. Fernández-Cegrí

doi:10.1016/j.trac.2013.07.007

First international comparative study of volatile fatty acids in aqueous samples by chromatographic techniques: Evaluating sources of error

F. Raposo^*
, R. Borja
, J. A. Cacho
, J. Mumme
, K. Orupõld
, S. Esteves
, J. Noguerol-Arias
, S. Picard
, A. Nielfa
, P. Scherer
, I. Wierinck
, E. Aymerich
, C. Cavinato
, D. C. Rodriguez
, N. García-Mancha
, P. N.T. Lens
, V. Fernández-Cegrí

^*Corresponding author for this work

Research output: Contribution to journal › Review article › peer-review

39 Citations (Scopus)

Abstract

This first international proficiency-testing scheme evaluated the analytical performance and the state of practice in measurement of volatile fatty acids in aqueous samples. Gas chromatography and high-performance liquid chromatography were used by 25 laboratories from 15 different countries. Two reference materials were selected for analysis. The performance of each laboratory was assessed by the internationally-accepted z-score. The overall performance was rather poor. Among the causes of poor analytical performance, human errors and inadequate calibration were probably the major problems encountered.

Original language	English
Pages (from-to)	127-143
Number of pages	17
Journal	TrAC - Trends in Analytical Chemistry
Volume	51
DOIs	https://doi.org/10.1016/j.trac.2013.07.007
Publication status	Published - Nov 2013
Externally published	Yes

Keywords

Analytical performance
Aqueous sample
Chromatography
Free fatty acid
Interlaboratory comparison
International comparative study
Monitoring
Proficiency-testing scheme
Source of error
Volatile fatty acid

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10.1016/j.trac.2013.07.007

Cite this

Raposo, F., Borja, R., Cacho, J. A., Mumme, J., Orupõld, K., Esteves, S., Noguerol-Arias, J., Picard, S., Nielfa, A., Scherer, P., Wierinck, I., Aymerich, E., Cavinato, C., Rodriguez, D. C., García-Mancha, N., Lens, P. N. T., & Fernández-Cegrí, V. (2013). First international comparative study of volatile fatty acids in aqueous samples by chromatographic techniques: Evaluating sources of error. TrAC - Trends in Analytical Chemistry, 51, 127-143. https://doi.org/10.1016/j.trac.2013.07.007

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title = "First international comparative study of volatile fatty acids in aqueous samples by chromatographic techniques: Evaluating sources of error",

abstract = "This first international proficiency-testing scheme evaluated the analytical performance and the state of practice in measurement of volatile fatty acids in aqueous samples. Gas chromatography and high-performance liquid chromatography were used by 25 laboratories from 15 different countries. Two reference materials were selected for analysis. The performance of each laboratory was assessed by the internationally-accepted z-score. The overall performance was rather poor. Among the causes of poor analytical performance, human errors and inadequate calibration were probably the major problems encountered.",

keywords = "Analytical performance, Aqueous sample, Chromatography, Free fatty acid, Interlaboratory comparison, International comparative study, Monitoring, Proficiency-testing scheme, Source of error, Volatile fatty acid",

author = "F. Raposo and R. Borja and Cacho, \{J. A.\} and J. Mumme and K. Orup{\~o}ld and S. Esteves and J. Noguerol-Arias and S. Picard and A. Nielfa and P. Scherer and I. Wierinck and E. Aymerich and C. Cavinato and Rodriguez, \{D. C.\} and N. Garc{\'i}a-Mancha and Lens, \{P. N.T.\} and V. Fern{\'a}ndez-Cegr{\'i}",

year = "2013",

month = nov,

doi = "10.1016/j.trac.2013.07.007",

language = "English",

volume = "51",

pages = "127--143",

journal = "TrAC - Trends in Analytical Chemistry",

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Raposo, F, Borja, R, Cacho, JA, Mumme, J, Orupõld, K, Esteves, S, Noguerol-Arias, J, Picard, S, Nielfa, A, Scherer, P, Wierinck, I, Aymerich, E, Cavinato, C, Rodriguez, DC, García-Mancha, N, Lens, PNT & Fernández-Cegrí, V 2013, 'First international comparative study of volatile fatty acids in aqueous samples by chromatographic techniques: Evaluating sources of error', TrAC - Trends in Analytical Chemistry, vol. 51, pp. 127-143. https://doi.org/10.1016/j.trac.2013.07.007

TY - JOUR

T1 - First international comparative study of volatile fatty acids in aqueous samples by chromatographic techniques

T2 - Evaluating sources of error

AU - Raposo, F.

AU - Borja, R.

AU - Cacho, J. A.

AU - Mumme, J.

AU - Orupõld, K.

AU - Esteves, S.

AU - Noguerol-Arias, J.

AU - Picard, S.

AU - Nielfa, A.

AU - Scherer, P.

AU - Wierinck, I.

AU - Aymerich, E.

AU - Cavinato, C.

AU - Rodriguez, D. C.

AU - García-Mancha, N.

AU - Lens, P. N.T.

AU - Fernández-Cegrí, V.

PY - 2013/11

Y1 - 2013/11

N2 - This first international proficiency-testing scheme evaluated the analytical performance and the state of practice in measurement of volatile fatty acids in aqueous samples. Gas chromatography and high-performance liquid chromatography were used by 25 laboratories from 15 different countries. Two reference materials were selected for analysis. The performance of each laboratory was assessed by the internationally-accepted z-score. The overall performance was rather poor. Among the causes of poor analytical performance, human errors and inadequate calibration were probably the major problems encountered.

AB - This first international proficiency-testing scheme evaluated the analytical performance and the state of practice in measurement of volatile fatty acids in aqueous samples. Gas chromatography and high-performance liquid chromatography were used by 25 laboratories from 15 different countries. Two reference materials were selected for analysis. The performance of each laboratory was assessed by the internationally-accepted z-score. The overall performance was rather poor. Among the causes of poor analytical performance, human errors and inadequate calibration were probably the major problems encountered.

KW - Analytical performance

KW - Aqueous sample

KW - Chromatography

KW - Free fatty acid

KW - Interlaboratory comparison

KW - International comparative study

KW - Monitoring

KW - Proficiency-testing scheme

KW - Source of error

KW - Volatile fatty acid

UR - https://www.scopus.com/pages/publications/84883617440

U2 - 10.1016/j.trac.2013.07.007

DO - 10.1016/j.trac.2013.07.007

M3 - Review article

AN - SCOPUS:84883617440

SN - 0165-9936

VL - 51

SP - 127

EP - 143

JO - TrAC - Trends in Analytical Chemistry

JF - TrAC - Trends in Analytical Chemistry

ER -

First international comparative study of volatile fatty acids in aqueous samples by chromatographic techniques: Evaluating sources of error

Abstract

Keywords

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