Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Birbal Chawla"'
Publikováno v:
Energy & Fuels. 20:609-619
A quantitative model for predicting the retention times of various single- and multi-ring aromatic hydrocarbons (AH) and heteroatom-containing molecules in high-performance liquid chromatography (HPLC) is presented. The retention time behavior of 44
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65b735a17f67ec60836669747b26d01f
https://doi.org/10.1021/ef0502305
https://doi.org/10.1021/ef0502305
Autor:
Birbal Chawla
Publikováno v:
Journal of Chromatographic Science. 41:560-563
A novel automated transesterification (ATE) technique has been developed for the quantitative determination of acid components used in synthesizing ester-based oils. The ATE technique has been successfully tested over a period of more than five years
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e412eb94b6acae0db068d4cbe3ab5156
https://doi.org/10.1093/chromsci/41.10.560
https://doi.org/10.1093/chromsci/41.10.560
Publikováno v:
Journal of Toxicology and Environmental Health, Part A. 57:293-328
Neurotoxicity of tricresyl phosphates (TCPs) and jet engine oil (JEO) containing TCPs were evaluated in studies conducted in both rat and hen. Results for currently produced samples ("conventional" and "low-toxicity") were compared with published fin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31e4ebfe256fc16aee43f5c93eea5ec6
https://doi.org/10.1080/009841099157638
https://doi.org/10.1080/009841099157638
Autor:
Birbal Chawla
Publikováno v:
Journal of Chromatographic Science. 35:97-104
This paper describes the development of a gas chromatographic method that uses nitrogen-specific detection based on chemiluminescence. A highly sensitive nitrogen-specific detector (Antek 705D) coupled to a Hewlett-Packard gas chromatograph is optimi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbaa939dced751bd1474844443f37c6b
https://doi.org/10.1093/chromsci/35.3.97
https://doi.org/10.1093/chromsci/35.3.97
Autor:
J. Douglas Kushnerick, William N. Olmstead, Roland B. Saeger, Cathleen Yung, Birbal Chawla, Kuangnan Qian, Manny A. Francisco, Anthony S. Mennito, Chunping Wu, Howard Freund, Karl J. Hickey, Kathleen E. Edwards
Publikováno v:
Analytical chemistry. 84(10)
Collision-induced dissociation Fourier Transform ion cyclotron resonance mass spectrometry (CID-FTICR MS) was developed to determine structural building blocks in heavy petroleum systems. Model compounds with both single core and multicore configurat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1bdedb1102818725ad80799bf3065346
https://pubmed.ncbi.nlm.nih.gov/22524203
https://pubmed.ncbi.nlm.nih.gov/22524203
Publikováno v:
Journal of High Resolution Chromatography. 17:255-258
A method using a sulfur chemiluminescence detector (SCD) has been developed for the qualitative and quantitative determination of sulfur components in stabilized gasoline-range process streams, including blended gasolines containing between 1 and > 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e89fd1f6cb9891beccc4afe614dc9267
https://doi.org/10.1002/jhrc.1240170412
https://doi.org/10.1002/jhrc.1240170412
Publikováno v:
Energy & Fuels. 8:355-359
Neither methyl nor ring 14 C-labeled methylnaphthalene shows extensive incorporation into the soluble products produced during coal liquefaction. The two coals utilized in this study showed as high or even a higher conversion at short reaction times
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d971c9bbcd743e6f2571cc60416ed8f
https://doi.org/10.1021/ef00044a010
https://doi.org/10.1021/ef00044a010
Publikováno v:
Analytical Chemistry. 65:3359-3362
A rapid and automated analysis was developed for the accurate determination of total aromatic hydrocarbons in lube base stocks by employing a liquid chromatography (LC) separation which is highly selective for aromatic hydrocarbons and the novel ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e66a63dec0acc2dcedd5e04a1d164b61
https://doi.org/10.1021/ac00071a004
https://doi.org/10.1021/ac00071a004
Publikováno v:
Energy & Fuels. 6:614-618
The three major maceral groups, vitrinite, liptinites, and inertinites, were separated from an eastern Kentucky coal by density gradient centrifugation. The liquefaction of these macerals was studied at three reaction temperatures and a single reside
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56a34bcf80ed46fc3880234f8ff7ce29
https://doi.org/10.1021/ef00035a012
https://doi.org/10.1021/ef00035a012
Autor:
Birbal Chawla, Frank P. di Sanzo
Publikováno v:
Journal of Chromatography A. 589:271-279
A versatile high-resolution gas chromatographic system utilizing universal sulfur chemiluminescence detection (USCD) coupled with flame ionization detection (FID) was optimized for the determination of sulfur components in light petroleum process str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::702c000d6496448e3bfa6bb21dd33f83
https://doi.org/10.1016/0021-9673(92)80032-p
https://doi.org/10.1016/0021-9673(92)80032-p