Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Kenneth D. Schlecht"'
Publikováno v:
Journal of Archaeological Science. 25:805-811
Assessment of the fluoride content of mastodon bones from the Hiscock site, Genesee County, New York, demonstrate that fluoride dating by ion selective electrode can be used to determine the relative ages of late Pleistocene bones. In order to releas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf30b178b4f7dee81a7926652ae3fd2a
https://doi.org/10.1006/jasc.1997.0263
https://doi.org/10.1006/jasc.1997.0263
Publikováno v:
The Journal of organic chemistry. 68(12)
The addition of arylsulfinic acids to 2-methyl-1,4-benzoquinone provides high yields of sulfones in a wide variety of solvents. The distribution of isomeric products obtained is strongly influenced by either (1) the acidity of aqueous solvents or (2)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0e0615b734d0c5651d92073d0764098
https://pubmed.ncbi.nlm.nih.gov/12790618
https://pubmed.ncbi.nlm.nih.gov/12790618
Quantitative Analysis of Nail Polish Remover Using Nuclear Magnetic Resonance Spectroscopy Revisited
Publikováno v:
Journal of Chemical Education. 85:1421
Substantial modifications are presented for a previously described experiment using nuclear magnetic resonance (NMR) spectroscopy to quantitatively determine analytes in commercial nail polish remover. The revised experiment is intended for a second-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e771102b14c6e4285d6f751213743a8
https://doi.org/10.1021/ed085p1421
https://doi.org/10.1021/ed085p1421
Autor:
Kenneth D. Schlecht, Ronald J. Greaves
Publikováno v:
Journal of Chemical Education. 69:417
This demonstration is useful in presenting a physical model for the four possible combinations of entropy and enthalpy to predict the spontaneity of a reaction.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4946e0b4fe3f1841579608df7270553
https://doi.org/10.1021/ed069p417
https://doi.org/10.1021/ed069p417
Autor:
C.W. Frank, Kenneth D. Schlecht
Publikováno v:
Journal of Pharmaceutical Sciences. 64:352-354
The dehydration of tetracycline at the C-5a-C-6 position as a function of acidity was investigated at various temperatures. The rate was first order with respect to tetracycline and with respect to [H+]. Rate constants and an activation energy are re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::028753563c42a7bd231d721b38a5bf64
https://doi.org/10.1002/jps.2600640241
https://doi.org/10.1002/jps.2600640241
Publikováno v:
Applied Spectroscopy. 28:38-40
The infrared internal reflection spectra of the hydrochloride salts of tetracycline, chlortetracycline, oxytetracycline, 6-deoxyoxytetracycline, and 6-methylene-oxytetracycline as well as tetracycline base and oxytetracycline base are reported from 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9adc89a338189b133c56d079aad61da
https://doi.org/10.1366/000370274774332984
https://doi.org/10.1366/000370274774332984
Autor:
C.W. Frank, Kenneth D. Schlecht
Publikováno v:
Chemischer Informationsdienst. 6
The dehydration of tetracycline at the C-5a-C-6 position as a function of acidity was investigated at various temperatures. The rate was first order with respect to tetracycline and with respect to [H+]. Rate constants and an activation energy are re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cdbb3bf3d7209580b8b26ec2e79222e
https://doi.org/10.1002/chin.197523495
https://doi.org/10.1002/chin.197523495