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13 C NMR Spectrum of DMSO-d 6. Pure deuterated DMSO shows no peaks in 1 H NMR spectroscopy and as a result is commonly used as an NMR solvent. [2] However commercially available samples are not 100% pure and a residual DMSO-d 5 1 H NMR signal is observed at 2.50ppm (quintet, J HD =1.9Hz). The 13 C chemical shift of DMSO-d 6 is 39.52ppm (septet ...
The New York Times crossword is a daily American-style crossword puzzle published in The New York Times, syndicated to more than 300 other newspapers and journals, and released online on the newspaper's website and mobile apps as part of The New York Times Games.
For that use it is often deuterated (3-(trimethylsilyl)-2,2,3,3-tetradeuteropropionic acid or TMSP-d 4). [1] Other internal references that are frequently used in NMR experiments are DSS and tetramethylsilane .
The New York Times Games (NYT Games) is a collection of casual print and online games published by The New York Times, an American newspaper. Originating with the newspaper's crossword puzzle in 1942, NYT Games was officially established on August 21, 2014, with the addition of the Mini Crossword . [ 1 ]
Joining puzzle fans' morning rotations of the crossword, Wordle, and Connections is Strands, the New York Times' latest puzzle. Available to play online, Strands initially looks like a word search.
Shechtman was 19 when her first crossword appeared in the New York Times. [2] [3] Until she was 25, she created most of her puzzles by hand using graph paper and dictionaries rather than crossword software. Shechtman is the second youngest female crossword creator to be published in the New York Times. After graduating college, Will Shortz ...
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He holds the record for the most American Crossword Puzzle Tournament (ACPT) championships, with nine wins, and the most consecutive championships, with six. [1] He was described by The New York Times as "the wizard who is fastest of all", [ 2 ] solving the Times 's Saturday crossword in an average of 4:03 minutes each week and the Sunday ...