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安全信息

854996

Supelco

带 PTFE/硅胶隔垫的钳口密封盖

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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UNSPSC代码:
41122001

物料

silver aluminum seal
tan PTFE/silicone

特点

open center (10 mm opening)
(Agilent HT quality)

硬度

45 (Durometer: shore A)

包装

pkg of 100 ea

直径× 厚度

20 mm × 3.25 mm

相容性

for use with 20 mm crimp top vial

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应用

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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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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