Zobrazeno 1 - 10
of 98
pro vyhledávání: '"M.Z. Barakat"'
Publikováno v:
Microchemical Journal. 14:526-535
A new titrimetric method for the microdetermination of silver was made. The proposed method is established on the fact that aqueous l -ascorbic acid solution reduces silver nitrate to silver, itself being oxidized to dehydro- l -ascorbic acid. The me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecddf469f70762f5aad61539408004e7
https://doi.org/10.1016/0026-265x(69)90088-5
https://doi.org/10.1016/0026-265x(69)90088-5
Publikováno v:
Microchemical Journal. 14:302-314
A new titrimetric method for the microdetermination of mercuric mercury is described. The proposed method is based on the fact that aqueous l -ascorbic acid solution reduces mercuric mercury to mercurous mercury; itself being oxidized to dehydro- l -
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::049683dd8c97dda30b7289f49f536b31
https://doi.org/10.1016/0026-265x(69)90048-4
https://doi.org/10.1016/0026-265x(69)90048-4
Publikováno v:
Microchemical Journal. 18:324-331
A new titrimetric method for the microdetermination of N-halogenated imides, e.g., N-bromosuccinimide and N-chlorosuccinimide is described. The mechanism of the reaction in the presence of dilute acetic acid is discussed. The determination is done wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0783f5f8560037c2ed3e632802368e2b
https://doi.org/10.1016/0026-265x(73)90018-0
https://doi.org/10.1016/0026-265x(73)90018-0
Publikováno v:
Microchemical Journal. 15:10-24
A new titrimetric method for the microdetermination of salicylic acid or certain derivatives is described. The proposed method is based on the fact that N -bromosuccinimide in the presence of dilute sulfuric acid and potassium bromide readily bromina
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7980606d8d0e436f8e29b9c81861e856
https://doi.org/10.1016/0026-265x(70)90155-4
https://doi.org/10.1016/0026-265x(70)90155-4
Publikováno v:
Microchemical Journal. 13:517-525
A new titrimetric method for the microdetermination of soluble iodides e.g., potassium iodide or cadmium iodide is described. The mechanism of the reaction in the presence of dilute hydrochloric acid is discussed. The determination is done within the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bebf7d1c37e368c3f809cd7813948b8d
https://doi.org/10.1016/0026-265x(68)90027-1
https://doi.org/10.1016/0026-265x(68)90027-1
Publikováno v:
Microchemical Journal. 18:308-323
A new titrimetric method for the determination of aniline salts, e.g., aniline sulfate and certain derivatives is described. The aniline derivatives include p -nitroaniline, p -aminobenzoic acid, anthranilic acid, p -anisidine, sulfanilic acid, calci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f43ea855fee40d0efd13ecd24205e285
https://doi.org/10.1016/0026-265x(73)90017-9
https://doi.org/10.1016/0026-265x(73)90017-9
Autor:
M.Z. Barakat, Sarwat I. Doweidar
Publikováno v:
Microchemical Journal. 17:285-292
A new titrimetric method for the microdetermination of stannous tin, e.g., stannous chloride is proposed. The mechanism of the reaction in the presence of dilute hydrochloric acid is discussed. The determination of stannous tin is done on concentrati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6843b616f15b771795950e8294689286
https://doi.org/10.1016/0026-265x(72)90066-5
https://doi.org/10.1016/0026-265x(72)90066-5
Publikováno v:
Analytical Biochemistry. 53:245-251
A new titrimetric method for the determination of l -ascorbic acid with standard cupric salt solution, e.g., cupric sulfate or cupric acetate, is described. The mechanism of the reaction is discussed. The method is simple, rapid, and sensitive to det
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad3e610661eb8f87f07e292a0d27d8f1
https://doi.org/10.1016/0003-2697(73)90425-9
https://doi.org/10.1016/0003-2697(73)90425-9
Publikováno v:
Microchemical Journal. 17:568-575
A modified titrimetric method for the microdetermination of soluble iodides, e.g., potassium iodide or sodium iodide is described. The mechanism of the reaction between N-bromosuccinimide and potassium iodide in aqueous solution is discussed. The det
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4be1361eb483ac6d59c9559259ea02d
https://doi.org/10.1016/0026-265x(72)90095-1
https://doi.org/10.1016/0026-265x(72)90095-1
Publikováno v:
Journal of the Science of Food and Agriculture. 24:1175-1180
The iodometric titration of amounts ranging from 10 mg to 50 μg of potassium bromate with standard L-cysteine HCl solution is reported. The mechanism of the reaction is discussed. The experimental error does not exceed ±2%. Comparative analysis of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::304f849977cf1a7cac0e001aafc31b95
https://doi.org/10.1002/jsfa.2740241006
https://doi.org/10.1002/jsfa.2740241006