Zobrazeno 1 - 10
of 62
pro vyhledávání: '"J Fitelson"'
Autor:
George L Bowden, J Fitelson
Publikováno v:
Journal of AOAC INTERNATIONAL. 51:1224-1231
A method for the analysis of organic acids in vanilla extracts has been developed. The lead salts of the organic acids are separated, trimethylsilylated derivatives are formed directly from the lead salts, and the trimethylsilylated de rivatives are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65cc8c993b7b84049b1c5501246197d6
https://doi.org/10.1093/jaoac/51.6.1224
https://doi.org/10.1093/jaoac/51.6.1224
Autor:
J. Fitelson
Publikováno v:
Journal of the American Oil Chemists Society. 27:1-8
A method for the quantitative determination of the saturated acids in fats has been developed. This method is based upon the non-disruptive oxidation of the unsaturated acids by performie acid, extraction of the oxidized mixture with petroleum ether
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b14598fd6f280c08b8e3138339e4523
https://doi.org/10.1007/bf02634887
https://doi.org/10.1007/bf02634887
Autor:
J Fitelson
Publikováno v:
Journal of AOAC INTERNATIONAL. 49:566-570
Collaborative study was conducted on two ultraviolet absorption methods for vanillin and one paper chromatographic method for vanillin and ethyl vanillin. The official, first action screening method for vanillin was compared with another ultraviolet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b583a77aa2312d90b8f905c3b9b275b
https://doi.org/10.1093/jaoac/49.3.566
https://doi.org/10.1093/jaoac/49.3.566
Autor:
E. W. Blank, F. G. Dollear, L. B. Parsons, J. L. Laing, E. W. Colt, R. T. Milner, C. P. Long, J. E. Maroney, H. A. Schuette, L. M. Tolman, J. Fitelson, F. C. Woekel, S. O. Sorensen, V. C. Mehlenbacher
Publikováno v:
Industrial & Engineering Chemistry Analytical Edition. 17:336-340
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5d29440a6299aa87b8008d8f1495cd0
https://doi.org/10.1021/i560141a020
https://doi.org/10.1021/i560141a020
Autor:
J Fitelson
Publikováno v:
Journal of AOAC INTERNATIONAL. 43:596-599
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d65fa9c542e9b7ee5286d4add3d542fa
https://doi.org/10.1093/jaoac/43.3.596
https://doi.org/10.1093/jaoac/43.3.596
Autor:
J Fitelson
Publikováno v:
Journal of AOAC INTERNATIONAL. 26:499-506
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9894b5cf8c3d74704cf51813d1fc357e
https://doi.org/10.1093/jaoac/26.4.499
https://doi.org/10.1093/jaoac/26.4.499
Autor:
J Fitelson
Publikováno v:
Journal of AOAC INTERNATIONAL. 52:646-649
The official AOAC paper chromatographic method for organic acids in vanilla extract has been modified slightly for fruit juices. Fruit juices are characterized by simple major organic acid patterns, so that addition of a foreign acid or cheaper fruit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d20a55b814bf9e2825af15d718f0491
https://doi.org/10.1093/jaoac/52.3.646
https://doi.org/10.1093/jaoac/52.3.646
Autor:
J. Fitelson, W. West
Publikováno v:
Journal of the American Chemical Society. 62:3021-3026
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a65d77e42127db6f706353d2b45b6ff5
https://doi.org/10.1021/ja01868a038
https://doi.org/10.1021/ja01868a038
Autor:
F. C. Woekel, J. K. Gunther, G. A. Crapple, H. T. Iveson, H. S. Schuette, M. L. Liang, C. P. Long, E. L. Boley, J. E. Maroney, W. O. Lundberg, C. A. Coffey, E. W. Blank, J. C. Konen, Francis Scofield, L. R. Brown, F. G. Dollear, A. R. Baldwin, V. C. Mehlenbacher, J. Fitelson, L. B. Parsons, George Crump, D. S. Bolley, F. R. Earle
Publikováno v:
Journal of the American Oil Chemists’ Society. 26:345-348
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db249c78c03ffcfb34e1acea6aa9b10c
https://doi.org/10.1007/bf02651440
https://doi.org/10.1007/bf02651440
Autor:
J Fitelson
Publikováno v:
Journal of AOAC INTERNATIONAL. 46:626-633
I. Paper Chromatographic Method Five samples of vanilla extract were submitted for collaborative study. Collaborators reported that the paper chromatographic method was simple and gave considerable information. Comparison with the results obtained by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3344b2238710783f6754e57ff08317d3
https://doi.org/10.1093/jaoac/46.4.626
https://doi.org/10.1093/jaoac/46.4.626