DOSY spectrum of the quinine sample in DMSO containing the reference standard TCNB and the impurities benzene, trimethoxybenzene, MeOH, PEG and tBuOH. Image Credit: Bruker BioSpin - NMR ...

Back in December 2021, there was a huge dry shampoo recall from Procter & Gamble on dry shampoos that contained benzene, “a human carcinogen,” according to the FDA. And in 2022, Unilever ...

Hartley and others have stated that benzene has a banded absorption spectrum in the ultra-violet; adopting that principle, I conjectured that benzene had an ultraviolet fluorescence. I have ...

Department of Chemistry, College of Chemistry and Chemical Engineering, Guizhou University, Guiyang 550025, P. R. China ...

The structures of BLILs-1 and BLILs-2 were characterized by IR, 1 H NMR and Elemental analysis, and the results indicated that the structures ... Shan and L. Y. Dai, “Alkylation of Benzene with ...

In addition, nuclear magnetic resonance (NMR) spectroscopy results and bond dissociation energy (BDE) are integrated as extra atomic and bond features to improve the model’s performance and ...

Dmytro Sherembey, head of Ukraine's largest patient-led HIV organization, credits USAID with saving lives of thousands, including his own. He condemns US President Trump's decision to pause nearly ...

As a conventional solid fermentation of Baijiu, Xiaoqu jiu is a very popular Chinese liquor in Asia. Xiaoqu jiu can be classified into three main types: Qing-xiang; Yu ping shao; and Guilin-sanhua jiu ...

Institut für Anorganische Chemie, Freie Universität Berlin, Fabeckstraße 34–36, D-14195 Berlin, Germany ...