Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Bernadette Mandrou"'
Publikováno v:
Chromatographia. 47:716-720
An experimental and statistical approach is presented which enables, with a minimum of determinations, the validation of a high-performance liquid chromatographic (HPLC) method for the determination of vitamin A in milk powder and flour for children.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95eff6ea7c6a67e6b80556ef56ff5fad
https://doi.org/10.1007/bf02467459
https://doi.org/10.1007/bf02467459
Publikováno v:
Journal of Chromatography A. 772:265-269
The quantitative aspects of a capillary electrophoresis (CE) technique for the determination of calcium in calcium acamprosate are reported. Separation was carried out on a 57-cm (50 cm to the detector)×75-μm I.D. fused-silica capillary at a potent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a112c61487c2828a8ec92df4aa63bf46
https://doi.org/10.1016/s0021-9673(97)00120-9
https://doi.org/10.1016/s0021-9673(97)00120-9
Publikováno v:
Journal of chromatography. A. 826(2)
A high-performance liquid chromatography method was developed for the simultaneous routine determination of vitamins A and E in powdered milk and flour made from local plants and purchased from open markets in the Ivory Coast. The method involves sap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a831d96e66b0ea1415ca59b504b87790
https://pubmed.ncbi.nlm.nih.gov/9871338
https://pubmed.ncbi.nlm.nih.gov/9871338
Publikováno v:
Journal of AOAC International. 81(1)
A UN Childrens Fund study conducted among children 1-4 years of age in the Ivory Coast utilized a unique method for analyzing the vitamin A content of dietary milk and flour. The method entails liquid-liquid extraction followed by reverse-phase liqui
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4eb52fb3c4950b42090c93d96d5bdca
https://pubmed.ncbi.nlm.nih.gov/9477567
https://pubmed.ncbi.nlm.nih.gov/9477567
Publikováno v:
Journal of Liquid Chromatography. 11:2993-3010
A post-column fluorescamine derivatization procedure is proposed for the determination of cephalosporins having an α-primary amino group in their side chain (cefaclor, cephalexin, cephradine, cefroxadine, cefaloglycine and cefadroxil). The linearity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51a6644e957409f4acd4e47520d542df
https://doi.org/10.1080/01483918808076775
https://doi.org/10.1080/01483918808076775
Publikováno v:
The Analyst. 111(2)
A high-performance liquid chromatographic method is proposed for the simultaneous determination of oxyphenbutazone and six potential decomposition products, using a reversed-phase column and ultraviolet detection. The method is more sensitive than th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94f9cae3b7e90b979fdc92e1469e4525
https://pubmed.ncbi.nlm.nih.gov/3706758
https://pubmed.ncbi.nlm.nih.gov/3706758
Publikováno v:
Journal - Association of Official Analytical Chemists. 63(3)
A procedure is proposed for the quantitative determination of both benzoic and sorbic acids in fruit beverages. This method is carried out by direct ultraviolet spectrophotometric measurements in silica chromatoplates after development with chlorofor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45ae945e79c39b6e3350525598967947
https://pubmed.ncbi.nlm.nih.gov/7430054
https://pubmed.ncbi.nlm.nih.gov/7430054
Publikováno v:
The Analyst. 110(7)
A thin-layer chromatographic procedure utilising fluorescamine detection is described for the quantitation of cephradine, cefaclor, cephalexin and cefadroxil. The repeatability, sensitivity and detectability of the method are compared with those for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9619084074eb9f0bcf8342ceedbd7ec
https://pubmed.ncbi.nlm.nih.gov/4037361
https://pubmed.ncbi.nlm.nih.gov/4037361
Publikováno v:
Journal - Association of Official Analytical Chemists. 60(3)
A quantitative method for thiourea determination in orange peels is proposed, with direct reflectance spectrometric measurements on chromatoplates. Thiourea is separated on a silica gel plate with methanol-chloroform (10+90), and the spots are charac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97b763cd8dee1bf069116df612d4948e
https://pubmed.ncbi.nlm.nih.gov/870493
https://pubmed.ncbi.nlm.nih.gov/870493
Publikováno v:
The Analyst. 113(6)
Cephalosporins bearing an aminothiazole group conjugated with a methoxyimino group give a strong fluorescence on a silica gel plate with a fluorescence indicator after development with an acidic mobile phase. A sensitive thin-layer chromatographic me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b22f4f964030c35564776174025cd341
https://pubmed.ncbi.nlm.nih.gov/3218764
https://pubmed.ncbi.nlm.nih.gov/3218764