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C 8 H 17 SO 2 F + 17 F − → C 8 F 17 SO 2 F + 17 H + + 34 e −. This reaction results in a 25% yield for POSF, less than that for shorter perfluorosulfonyl fluorides. [2] The POSF obtained is impure as it is a mixture of linear and branched isomers, with ~70% linear. [2] POSF can also be obtained by ECF of the sulfonyl halide octanesulfonyl ...
Phillip Jeffrey Hyett (born August 10, 1983) is an American software developer, technology entrepreneur, racing driver,and a co-founder of GitHub, an Internet hosting service for software development and version control using Git, which he created with Tom Preston-Werner and Chris Wanstrath in 2008.
Perfluorooctanesulfonic acid (PFOS) (conjugate base perfluorooctanesulfonate) is a chemical compound having an eight-carbon fluorocarbon chain and a sulfonic acid functional group, and thus it is a perfluorosulfonic acid and a perfluoroalkyl substance (PFAS).
GitHub (/ ˈ ɡ ɪ t h ʌ b /) is a proprietary developer platform that allows developers to create, store, manage, and share their code. It uses Git to provide distributed version control and GitHub itself provides access control, bug tracking, software feature requests, task management, continuous integration, and wikis for every project. [8]
Candice Bergen’s husband Marshall Rose died on Saturday, Feb. 15.He was 88. Rose died from complications with Parkinson's disease, according to a Feb. 17 New York Times obituary.The real estate ...
He resigned from GitHub in 2014 when an internal investigation concluded that he and his wife harassed an employee. [4] Preston-Werner is also the creator of the avatar service Gravatar , [ 5 ] the TOML configuration file format, [ 6 ] the static site generator software Jekyll , [ 7 ] [ 8 ] and the Semantic Versioning Specification (SemVer). [ 9 ]
Over the past 12 months, for instance, United Airlines stock is up more than 140%, while Delta has gained 60% and American increased 7%.Among the low-cost carriers, Frontier is up about 15% ...
A Polish woman who claimed to be missing Madeleine McCann was arrested upon landing in the UK. Julia Wandelt, who also goes by Julia Wendell and Julia Faustyna, was taken into custody upon ...