854996
Capsules à sertir avec septa PTFE/Silicone
silver aluminum seal, open center (10 mm opening), diam. × thickness 20 mm × 3.25 mm, tan PTFE/silicone, pkg of 100 ea
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A propos de cet article
UNSPSC Code:
41122001
NACRES:
NB.43
Service technique
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silver aluminum seal, tan PTFE/silicone
feature
open center (10 mm opening), (Agilent HT quality)
hardness
45 (Durometer: shore A)
packaging
pkg of 100 ea
diam. × thickness
20 mm × 3.25 mm
compatibility
for use with 20 mm crimp top vial
Application
Crimp seals with PTFE/silicone septa may be used to make specialized reaction vessel, by fusing them to top autosampler vials, in order to test the accuracy and reproducibility of the tetrabutylammonium fluoride and iodobenzene diacetateTBAF/PhI(OAc)2 method for detecting water in organic solvents. It may also be used to seal various samples, thereby isolating them from atmospheric CO2 for a period of atleast 1 month.
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Classe de stockage
11 - Combustible Solids
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Rapid and precise d13C measurement of dissolved inorganic carbon in natural waters using liquid chromatography coupled to an isotope-ratio mass spectrometer.
Brandes JA.
Limnology and Oceanography: Methods, 7 (11), 730-739 (2009)
Haoran Sun et al.
Organic letters, 10(20), 4413-4416 (2008-09-13)
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.