When University at Buffalo chemists analyzed samples of water, fish, and bird eggs, they weren't surprised to find plenty of per- and polyfluoroalkyl substances (PFAS). After all, these "forever ...
1000克可售量 14元/克 建议零售价 中国 产品区域 【性 状】白色或结晶性粉末。 【溶 解 性】不溶于水,极易溶于乙醇、甲醇。 【堆 密 度】0.34g/ml。 【水 溶 液】本品水溶液为无色至淡蓝色,透明,有一定粘性。 【气味、滋味】有特殊芳香气味,水溶液具有苦味。
Xylene is used as a solvent, to manufacture petrol, as a raw material to manufacture chemicals used to make polyester fibre, and to make dyes, paints, lacquers, and insecticides. It is used to ...
Nobel laureate Otto Hahn is credited with the discovery of nuclear fission. Fission is one of the most important discoveries of the 20th century, yet Hahn considered something else to be his best ...
Dennis Mücher receives funding from the Natural Sciences and Engineering Research Council of Canada and the Social Sciences and Humanities Research Council of Canada. Michigan State University ...
This Feature focuses on a review of recent developments in mass spectrometry imaging (MSI) of lipid isomers in biological tissues. The tandem MS techniques utilizing online and offline chemical ...
One hundred years after “nuclear isomers” were first discovered, Philip Walker and Zsolt Podolyák pick five examples of these long-lived, excited nuclear states to show why they are so important in ...
It is important to note that certain of these chemical shifts and functional groups overlap each other, including atoms other than hydrogen, oxygen and carbon. It is beneficial to omit these since it ...
NMR spectroscopy is very useful for identifying the chemical structure of compounds. It is not just capable of offering data with regards to the functional groups present but also offers data about ...
Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...
Almost 170 years after Louis Pasteur discovered chirality by picking apart left- and right-handed tartaric acid crystals under the microscope, an entirely new form of stereoisomerism has been found in ...