An automatized method for determination of free fatty acids
Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured d...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ekström, Lars-Gösta [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1981 |
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| Schlagwörter: |
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| Anmerkung: |
© American Oil Chemists' Society 1981 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of the American Oil Chemists Society - Springer-Verlag, 1947, 58(1981), 10 vom: Okt., Seite 935-938 |
|---|---|
| Übergeordnetes Werk: |
volume:58 ; year:1981 ; number:10 ; month:10 ; pages:935-938 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF02659662 |
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| 520 | |a Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured directly into the sample cups on the sampler for an automatic analysis of the FFA content. The dynamic range of this method is from 0.01 to almost 5%. Samples with higher FFA content must be diluted before analysis. The sample capacity is 12–20 injections/hr. No evidence of the existence of the earlier proposed cage-like complex (Cu(II)(FFA)2)2 in the organic phase was observed in this study. | ||
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10.1007/BF02659662 doi (DE-627)OLC2068081628 (DE-He213)BF02659662-p DE-627 ger DE-627 rakwb eng 660 VZ Ekström, Lars-Gösta verfasserin aut An automatized method for determination of free fatty acids 1981 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Oil Chemists' Society 1981 Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured directly into the sample cups on the sampler for an automatic analysis of the FFA content. The dynamic range of this method is from 0.01 to almost 5%. Samples with higher FFA content must be diluted before analysis. The sample capacity is 12–20 injections/hr. No evidence of the existence of the earlier proposed cage-like complex (Cu(II)(FFA)2)2 in the organic phase was observed in this study. Free Fatty Acid Free Fatty Acid Content Brassica Juncea Free Fatty Acid Concentration Sinigrin Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 58(1981), 10 vom: Okt., Seite 935-938 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:58 year:1981 number:10 month:10 pages:935-938 https://doi.org/10.1007/BF02659662 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_95 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 58 1981 10 10 935-938 |
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10.1007/BF02659662 doi (DE-627)OLC2068081628 (DE-He213)BF02659662-p DE-627 ger DE-627 rakwb eng 660 VZ Ekström, Lars-Gösta verfasserin aut An automatized method for determination of free fatty acids 1981 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Oil Chemists' Society 1981 Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured directly into the sample cups on the sampler for an automatic analysis of the FFA content. The dynamic range of this method is from 0.01 to almost 5%. Samples with higher FFA content must be diluted before analysis. The sample capacity is 12–20 injections/hr. No evidence of the existence of the earlier proposed cage-like complex (Cu(II)(FFA)2)2 in the organic phase was observed in this study. Free Fatty Acid Free Fatty Acid Content Brassica Juncea Free Fatty Acid Concentration Sinigrin Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 58(1981), 10 vom: Okt., Seite 935-938 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:58 year:1981 number:10 month:10 pages:935-938 https://doi.org/10.1007/BF02659662 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_95 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 58 1981 10 10 935-938 |
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10.1007/BF02659662 doi (DE-627)OLC2068081628 (DE-He213)BF02659662-p DE-627 ger DE-627 rakwb eng 660 VZ Ekström, Lars-Gösta verfasserin aut An automatized method for determination of free fatty acids 1981 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Oil Chemists' Society 1981 Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured directly into the sample cups on the sampler for an automatic analysis of the FFA content. The dynamic range of this method is from 0.01 to almost 5%. Samples with higher FFA content must be diluted before analysis. The sample capacity is 12–20 injections/hr. No evidence of the existence of the earlier proposed cage-like complex (Cu(II)(FFA)2)2 in the organic phase was observed in this study. Free Fatty Acid Free Fatty Acid Content Brassica Juncea Free Fatty Acid Concentration Sinigrin Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 58(1981), 10 vom: Okt., Seite 935-938 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:58 year:1981 number:10 month:10 pages:935-938 https://doi.org/10.1007/BF02659662 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_95 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 58 1981 10 10 935-938 |
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10.1007/BF02659662 doi (DE-627)OLC2068081628 (DE-He213)BF02659662-p DE-627 ger DE-627 rakwb eng 660 VZ Ekström, Lars-Gösta verfasserin aut An automatized method for determination of free fatty acids 1981 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Oil Chemists' Society 1981 Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured directly into the sample cups on the sampler for an automatic analysis of the FFA content. The dynamic range of this method is from 0.01 to almost 5%. Samples with higher FFA content must be diluted before analysis. The sample capacity is 12–20 injections/hr. No evidence of the existence of the earlier proposed cage-like complex (Cu(II)(FFA)2)2 in the organic phase was observed in this study. Free Fatty Acid Free Fatty Acid Content Brassica Juncea Free Fatty Acid Concentration Sinigrin Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 58(1981), 10 vom: Okt., Seite 935-938 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:58 year:1981 number:10 month:10 pages:935-938 https://doi.org/10.1007/BF02659662 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_95 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 58 1981 10 10 935-938 |
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10.1007/BF02659662 doi (DE-627)OLC2068081628 (DE-He213)BF02659662-p DE-627 ger DE-627 rakwb eng 660 VZ Ekström, Lars-Gösta verfasserin aut An automatized method for determination of free fatty acids 1981 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Oil Chemists' Society 1981 Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured directly into the sample cups on the sampler for an automatic analysis of the FFA content. The dynamic range of this method is from 0.01 to almost 5%. Samples with higher FFA content must be diluted before analysis. The sample capacity is 12–20 injections/hr. No evidence of the existence of the earlier proposed cage-like complex (Cu(II)(FFA)2)2 in the organic phase was observed in this study. Free Fatty Acid Free Fatty Acid Content Brassica Juncea Free Fatty Acid Concentration Sinigrin Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 58(1981), 10 vom: Okt., Seite 935-938 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:58 year:1981 number:10 month:10 pages:935-938 https://doi.org/10.1007/BF02659662 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_95 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 58 1981 10 10 935-938 |
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An automatized method for determination of free fatty acids |
| abstract |
Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured directly into the sample cups on the sampler for an automatic analysis of the FFA content. The dynamic range of this method is from 0.01 to almost 5%. Samples with higher FFA content must be diluted before analysis. The sample capacity is 12–20 injections/hr. No evidence of the existence of the earlier proposed cage-like complex (Cu(II)(FFA)2)2 in the organic phase was observed in this study. © American Oil Chemists' Society 1981 |
| abstractGer |
Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured directly into the sample cups on the sampler for an automatic analysis of the FFA content. The dynamic range of this method is from 0.01 to almost 5%. Samples with higher FFA content must be diluted before analysis. The sample capacity is 12–20 injections/hr. No evidence of the existence of the earlier proposed cage-like complex (Cu(II)(FFA)2)2 in the organic phase was observed in this study. © American Oil Chemists' Society 1981 |
| abstract_unstemmed |
Abstract An automated colorimetric method is described for determining free fatty acids (FFA) in vegetable oils using the flow injection analysis (FIA) technique. In this procedure, an almost linear relationship exists between the peak height and the FFA concentration. Liquid samples can be poured directly into the sample cups on the sampler for an automatic analysis of the FFA content. The dynamic range of this method is from 0.01 to almost 5%. Samples with higher FFA content must be diluted before analysis. The sample capacity is 12–20 injections/hr. No evidence of the existence of the earlier proposed cage-like complex (Cu(II)(FFA)2)2 in the organic phase was observed in this study. © American Oil Chemists' Society 1981 |
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| title_short |
An automatized method for determination of free fatty acids |
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https://doi.org/10.1007/BF02659662 |
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