Zobrazeno 1 - 5
of 5
pro vyhledávání: '"M G, Ghourab"'
Autor:
M G Ghourab, Mohamed S Karawya
Publikováno v:
Journal of AOAC INTERNATIONAL. 55:177-179
A colorimetric method is described for the estimation of strychnine in the presence of brucine. Strychnine is reduced with zinc amalgam and hydrochloric acid, and the color obtained by the action of nitroprussideacetaldehyde reagent on the reduced co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c47169d8bedbbeae6185f83e3560f4f
https://doi.org/10.1093/jaoac/55.1.177
https://doi.org/10.1093/jaoac/55.1.177
Publikováno v:
Journal - Association of Official Analytical Chemists. 58(5)
Two colorimetric micromethods are described for the determination of atropine-hyoscyamine and hyoscine (scopolamine), using p-dimethylaminobenzaldehyde and citric acid-acetic anhydride as the color reagents. These methods are sensitive to 60-1200 and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::9d48d7bfe22c4b12d9123c86ed9faea6
https://pubmed.ncbi.nlm.nih.gov/1158830
https://pubmed.ncbi.nlm.nih.gov/1158830
Publikováno v:
Journal - Association of Official Analytical Chemists. 58(3)
Solasodine is isolated from Solanum laciniatum leaves by a rapid, one-step procedure which involves extraction and hydrolysis of the glycoalkaloids. The resulting steroidal aglycone is directly estimated by the formation of a colored complex with bro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::6a09deb69efe7543c76cddf07694cd57
https://pubmed.ncbi.nlm.nih.gov/1141181
https://pubmed.ncbi.nlm.nih.gov/1141181
Autor:
M S, Karawya, M G, Ghourab
Publikováno v:
Journal - Association of Official Analytical Chemists. 55(1)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::464e87a0b473cc9a4a2913e9c5971dab
https://pubmed.ncbi.nlm.nih.gov/4666842
https://pubmed.ncbi.nlm.nih.gov/4666842
Autor:
M S, Karawya, M G, Ghourab
Publikováno v:
Journal - Association of Official Analytical Chemists. 55(6)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::1a90ffd8ac5ef53f68bab7012cfcba56
https://pubmed.ncbi.nlm.nih.gov/4669101
https://pubmed.ncbi.nlm.nih.gov/4669101