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Merck
CN

SU860076

Assembled screw cap with hole with PTFE/silicone septum

black polypropylene hole cap, thread for 8-425, PTFE/silicone (red PTFE/white silicone), septum thickness 1.3 mm, for use with 2 mL vial (standard opening), pkg of 100 ea

Synonym(s):

Screw Cap with PTFE/Silicone Septum

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About This Item

NACRES:
NB.11
UNSPSC Code:
41122001

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Product Name

Assembled screw cap with hole with PTFE/silicone septum, black polypropylene hole cap, thread for 8-425, PTFE/silicone (red PTFE/white silicone), septum thickness 1.3 mm, for use with 2 mL vial (standard opening), pkg of 100 ea

material

PTFE/silicone (red PTFE/white silicone)
black polypropylene hole cap

feature

closure type black polypropylene hole cap

hardness

45 (Durometer: shore A)

packaging

pkg of 100 ea

septum thickness

1.3 mm

fitting

thread for 8-425

compatibility

for use with 2 mL vial (standard opening)

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Application

Assembled screw cap with hole and PTFE/silicone septum may be used to minimise the risk of explosion of diazomethane, during preparation of diazomethane for gas chromatographic analysis. It was also used to seal off the heat treated samples, during determination of sugar-amino acid reaction mechanisms using an automated solid-phase microextraction-gas chromatography-mass selective detection (AutoSPME-GC-MSD) approach.

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Diazomethane preparation for gas chromatographic analysis.
Glastrup J.
Journal of Chromatography A, 827 (1), 133-136 (1998)
An Automated Solid-Phase Microextraction-Gas Chromatography-Mass Selective Detection Approach for the Determination of Sugar-Amino Acid Reaction Mechanisms.
Coleman WM and Lawson SN.
Journal of Chromatographic Science, 37 (10), 383-387 (1999)

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