Scientific Research Publishing2d
Determination of 7 Indictor Polychlorinated Biphenyls (PCBs) Residues in Porphyra by Ultrasonic Extraction and Gas Chromatography (GC) ()
A method was developed for determination of 7 indictors the polychlorinated biphenyls (PCBs) residues in porphyra by gas chromatography (GC) with electron capture detector (ECD). The PCBs were ...
chromatographyonline1d
Evaluating Dissolved Organic Matter with GPC and Spectroscopy
Gel permeation chromatography, three-dimensional excitation-emission matrix fluorescence spectroscopy, and UV-visible ...
Nature6d
Effect of Flow-Rate and Sample-Size on Column Efficiency in Gas-Liquid Chromatography
Bethea, R. M., and Wheelock, T. D., Abstracts of the 2nd Biannual International Gas Chromatography Symposium, 1 (published by the Instrument Society of America ...
Circuit5d
Benchmark Sees 3.7% Decline in Annual Revenue
TEMPE, AZ – Benchmark Electronics announced full-year revenue of $2.7 billion, down 3.7% from 2023's revenue. For the fourth quarter, the company's revenue of $656.9 million marked a 5% year-on-year ...