- A method for detecting water in organic solvents.
A method for detecting water in organic solvents.
Organic letters (2008-09-13)
Haoran Sun, Bijia Wang, Stephen G DiMagno
PMID18785750
RESUMO
The potent dehydrating ability of difluoro(aryl)-lambda (3)-iodanes is exploited to develop a convenient (19)F-NMR-based aquametry method that is more sensitive than coulometric Karl Fischer titration. The key difluoro(aryl)-lambda (3)-iodane reagents are synthesized readily from commercially available and inexpensive precursors.
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Vedações de encaixe com septos de PTFE/silicone, silver aluminum seal, open center (10 mm opening), diam. × thickness 20 mm × 3.25 mm, tan PTFE/silicone, pkg of 100 ea