27232
Stopfen
stopper diam. 20 mm, gray butyl rubber, pkg of 100 ea
Synonym(e):
100 Stück 20MM BUTYL-SEPTEN
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Materialien
gray butyl rubber
Verpackung
pkg of 100 ea
AD
20 mm
Stopfendurchm.
20 mm
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Allgemeine Beschreibung
Gray butyl rubber stoppers contain zinc in the form of zinc-oxide. Choosing a suitable stopper material is very essential for studies related to denitrification coupled to methane oxidation. In some cases stoppers are replaced with sterile PTFE mininertvalves or PTFE-faced grey butyl rubber stoppers, for containment of voltiles.
Anwendung
Gray butyl rubber stopper was used to seal the serum vials for isotopic analyses of CH4, during an experimental study done to determine the concentration and carbon isotopic composition of dissolved methane in porewaters. It may also be used to seal aluminium tubes containing growth media, used for assaying conditions for carbon monoxide oxidation by Clostridium thermoaceticum and Clostridium formicoaceticum.
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Inorganic carbon analysis by modified pressure-calcimeter method.
Soil Science Society of America Journal. Soil Science Society of America, 66 (1), 299-305 (2002)
Determination of concentration and carbon isotopic composition of dissolved methane in sediments and nearshore waters.
Analytical Chemistry, 67 (2), 405-411 (1995)
Applied and environmental microbiology, 59(5), 1635-1641 (1993-05-01)
Pseudomonas sp. strain KC was grown on a medium with a low content of transition metals in order to examine the conditions for carbon tetrachloride (CT) transformation. Several carbon sources, including acetate, glucose, glycerol, and glutamate, were able to support
Waste management (New York, N.Y.), 91, 147-155 (2019-06-18)
This work focused on identification and quantification of systematic sources of error in manometric measurement of biochemical methane potential (BMP). Error was determined by comparison to gravimetric measurements and direct measurement of leakage. One out of three types of septa
Applied and environmental microbiology, 75(11), 3656-3662 (2009-03-31)
Anaerobic methane oxidation coupled to denitrification was recently assigned to bacteria belonging to the uncultured phylum NC10. In this study, we incubated sediment from a eutrophic ditch harboring a diverse community of NC10 bacteria in a bioreactor with a constant
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