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854996

Supelco

Crimp seals with PTFE/silicone septa

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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About This Item

UNSPSC Code:
41122001

material

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

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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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Storage Class

11 - Combustible Solids

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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.
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)

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