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27021

Supelco

Assembled screw cap with hole with PTFE/silicone septum

black polypropylene hole cap, thread for 20-400, PTFE/silicone, septum thickness 1.9 mm, for use with 22 mL vial, pkg of 100 ea

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About This Item

UNSPSC Code:
41122001

material

PTFE/silicone
black polypropylene hole cap

feature

closure type black polypropylene hole cap

packaging

pkg of 100 ea

septum thickness

1.9 mm

fitting

thread for 20-400

compatibility

for use with 22 mL vial

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Application

It may be used to cut and store fresh plant material for collecting volatiles in solid phase microextraction (SPME) technique.[1] It may also be used in liquid chromatography–tandem mass spectrometry (LC–MS/MS) method for determining bisphenol A, 4-t-octylphenol and 4-nonylphenol in human blood serum.[2]

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Bisphenol A, 4-t-octylphenol, and 4-nonylphenol determination in serum by Hybrid Solid Phase Extraction?Precipitation Technology technique tailored to liquid chromatography?tandem mass spectrometry.
Asimakopoulos, Alexandros G., and Nikolaos S. Thomaidis.
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 986, 85-93 (2015)
Electroantennographic responses of the small chestnut weevil Curculio sayi (Coleoptera: Curculionidae) to volatile organic compounds identified from chestnut reproductive plant tissue.
Keesey, Ian W., et al.
Environmental Entomology, 41.4, 933-940 (2012)
M R H Mozumder et al.
Water resources research, 56(7) (2021-05-08)
Across South Asia, millions of villagers have reduced their exposure to high-arsenic (As) groundwater by switching to low-As wells. Isotopic tracers and flow modeling are used in this study to understand the groundwater flow system of a semi-confined aquifer of

Questions

  1. Does product number 27021 come with a cap and septa that are pre-assembled and ready to use?

    1 answer
    1. Yes, it comes pre-assembled screw cap with PTFE septa and is ready to use.

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