27201
Tapón de goma, PTFE/butilo
PTFE/rubber (butyl (Pharma-Fix)), diam. × thickness 20 mm × 0.135 in., pkg of 100 ea
Sinónimos:
Septum, PTFE faced butyl
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About This Item
UNSPSC Code:
41122001
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material
PTFE/rubber (butyl (Pharma-Fix))
description
Pharma-Fix septum
packaging
pkg of 100 ea
O.D.
13 mm
diam. × thickness
20 mm × 0.135 in.
compatibility
for use with 20mm crimp seal, 22mm hole cap, 22mm solid cap
Categorías relacionadas
General description
PTFE-fused septa are suitable to overcome the degradation, which happens due to prolonged high temperatures, commonly observed in silicone rubber septa. The degradation results in baseline drift and additional peaks. It is generally fixed with the PTFE face towards the column packing.
Application
PTFE-faced butyl septa may be used for headspace vials to assess sampling efficiency and breakthrough of methyl bromide on activated charcoal.
Septum may be used to seal vial during collecting urine samples for unmodified benzene analysis using HPLC method.
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Encuentre la documentación para los productos que ha comprado recientemente en la Biblioteca de documentos.
Lack of correlation between environmental or biological indicators of benzene exposure at parts per billion levels and micronuclei induction.
Violante, Francesco S., et al.
Environmental Research, 91.3, 135-142 (2003)
Sampling and stability of methyl bromide on activated charcoal.
Gan, Jianying, et al.
Journal of Agricultural and Food Chemistry, 43, 1361-1367 (1995)
Ian A. Fowlis
Gas Chromatography, 62-62 (2008)
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