Product Category
Silicone septa for lab chemical testing
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Septa chemical compatibility. Solvent PTFE PTFE/Silicone PTFE/Silicone/PTFE* PTFE/Red rubber Fluoroelastomer PTFE/Butyl Acetonitrile Hydrocarbons (hexane, heptane, methane) Methanol Benzene THF Toluene DMF DMSO Ether Chlorinated solvents (methylene chloride) Alcohols (ethanol) Acetic acid Acetone Phenol Cyclohexane
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the solvent. PTFE/Silicone septa are ideal for use in most HPLC and GC applications where resealability and purity are critical. Pre-slit PTFE/silicone septa Pre-slit septa are offered in many of the same formulations as for non-slit PTFE/silicone septa and shares most of the physical and chemical characteristics. The septum is provided with a
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Nov 5, 2018 · Both PTFE and polyethylene have excellent chemical resistance to THF, but silicone has poor chemical resistance to THF. For an ELSD, RI or MS detector, PTFE or PE septa would be the recommendation.
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PTFE/Silicone septa are ideal for use in most HPLC and GC applications where resealability and purity are critical. Pre-slit PTFE/Silicone Septa Pre-slit septa are offered in many of the same formulations as for non-slit PTFE/silicone septa and shares most of the physical and chemical characteristics.
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United Scientific Supplies. Silicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. Stoppers can be steam sterilized at 15 lbs. pressure. Broad working temperature range of –62 to 232°C.
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Stoppers, also known as bungs, are used to give an airtight seal to laboratory flasks and test tubes by fitting tightly inside the neck of the container and preventing material from spilling. Stoppers can be made of glass, cork, rubber, or silicone. They are typically designed with a conical shape, but straight, flanged, and tapered options are
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A wide range of vials, closures, and accessory products designed for generalized and specific scientific applications. Various product formats, dimensions, and material compositions are available. Includes autosampler vials, cryogenic storage vials, and serum vials. Thermo Fisher Scientific is dedicated to improving the human condition through
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Thermo National Scientific C4013-15A Clear 8mm Vial and Screw Cap Kit with Red PTFE-White Silicone Septa. 100/pack. • Includes 100 vials with pre-attached caps and septa • Packaged in convenient vial trays with clear covers or in economical polybags
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Analytical Vials. Vials play a significant role in analytical analysis and result reproducibility. Vials must be inert and free of extractables or leachables to prevent affecting results. Using certified, application-specific, contaminant-free vials can significantly reduce risk. We offer a broad spectrum of Supelco ® products including
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B 9-425 Compatible Screw Vial. High recovery vial Autosampling vial Sample vial. PRF.V0204.019 Clear glass 1.5ml Flat base high recovery vial 12mm x 32mm. PRF.V0204.026 Amber glass 1.5ml Flat base high recovery vial 12mm x 32mm. – Amber – White. PRF.V0204.001 12mm x 32mm. PRF.V0204.009 2ml Flat base vial with writing area 12mm x 32mm.
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Advantages: Re-seals well. Chemical resistance: Not suitable for chlorosilanes. Maximum temperature: 200°C. Suitable for: Multiple injections. Pre-Slit PTFE/Silicone*. Advantages: Less coring; reduced vacuum inside vial. Chemical resistance: Moderate resistance following initial puncture. Maximum temperature: 200°C.
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and get 15% off. Description. 27.25 x 57.5mm, 5 dram (20mL) Clear Borosilicate Glass Vial with 24-400 Green PP Hole Cap & PTFE/Silicone Septa attached. Clear vials offer maximum visibility. Made of Type I Borosilicate glass, providing exceptional resistance to heat shock and chemical leaching. The glass is non-porous and has no catalytic affect.
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20 mm Crimp Top with PTFE/Silicone Septa - Ultra Bleed Pressure Release (1000/pack) Pre-Assembled Aluminum Crimp Cap with Low Bleed PTFE/Silicone (White) Septa - Skived Pressure Release, 1000/pk | PerkinElmer
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Add to Compare. Kinesis – Item # EW-98706-03. Choose the right septum for optimal performance and results. Various materials, thicknesses and hardnessess to suit your application. Pre-slit septa prevent a vacuum forming inside the vial. Natural PTFE/clear silicone, 15 mm dia. MORE +.
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Mar 31, 2022 · PTFE/silicone septa. PTFE/Silicone is an ideal choice for analyzing volatile organic chemicals. These analyses happen at low concentrations or during operation at higher conditioning temperatures. Store PTFE/Silicone septa in a glass Purepak jar to ensure: 1. minimal background, 2. low permeability, 3. and the best performance of any headspace
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