Erlenmeyer flasks for shaker, storage, and titration functions are available at VWR. Choose flat bottom plastic or borosilicate glass options with durable white enamel scales or reinforced rims. Select disposable or autoclavable models with baffled bases in a variety of graduation ranges and capacities.
Headspace crimp vials, ND20. Vials Chromatography Vials. Clear and amber glass vials with a rounded or flat bottom, and volumes from 5 to 20 ml and closures. A rounded bottom vial is more sturdy and resistant to high pressure during the heating process. Flat bottom vials are more appropriate for certain instruments.
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Therefore, the wall thickness of headspace vials is higher compared to standard vials for liquid chromatography: 1,2 versus 0,9 mm. Headspace vials are available with flat and rounded bottom. The rounded bottom is more sturdy and therefore more resistant to the high pressure which builds up inside the vial during the heating process.
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Headspace/soil gas syringes Fornitore: SGE Analytical Science Descrizione: The gas tight syringes are fitted with a valve (SVLL) and a special Luer probe with a side hole for efficient sample intake.
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Flat bottom flasks for heated chemical reactions or distillations are offered at VWR. Borosilicate glass models feature heavy wall construction in an array of capacities. Select a short or long neck flask to suit your purpose. A reinforced standard taper (24/40) outer joint is offered for most models, however some options do feature other joint sizes.
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Caps are available in either flat or plug styles. Certain models are designed to provide protection for light-sensitive samples, manufactured from a dark polypropylene. These high-quality, high-performing centrifuge tubes are ideal for maintaining a secure seal when using shakers and horizontal incubators.
Headspace Vials Caps for Headspace Gas Chromatography Applications. Headspace gas chromatography requires headspace vials and caps because they can withstand the pressure from the gas. Chrom Tech has a wide selection of high-quality crimp and screw thread headspace vials available in clear or amber glass with associated 18-and 20-mm headspace
The Finneran range of headspace vials are designed for high pressure strength during the heating process thus reducing the possibility of cracking or strain lines. Headspace vials are available in 100/pack or 1000/pack, each packed in clean environments to ensure you receive your high-quality vials, contaminant free.
VWR® 20 mm Headspace Vials Designed to fit most headspace autosamplers. Round bottom vials fit PerkinElmer, Tekmar, and Varian autosamplers. Flat bottom vials fit Aijiren and Carlo Erba autosamplers.
VWR supports you in your autosampler vial selection process through on-site consultations with our Chromatography Specialists, and providing samples when needed. Avantor Seradigm VWR provides the cell culture community with access to the most reliable supply of exceptional quality Fetal Bovine Serum: VWR Life Science Seradigm.
Flat base vials maximize heating efficiency in manual headspace sampling and are required for use in some instrument models. The bevel edge on the lip of the vial provides additional sealing power for greater leak resistance under high pressure; Our screw top headspace vials are a novelty in a crimp-neck dominated field.
