black polypropylene hole cap, thread for 8-425, PTFE/silicone, Top Hat (septa and closure designed to fit together tightly), for use with 2 mL vial, 4.6 mm opening, pkg of 100 ea Expand Hide
PTFE/Silicone Septa: (T/S) High quality, pure silicone is laminated to 0.005” thick PTFE to give a pure, highly inert septum with excellent resealing characteristics even after repeated punctures. PTFE/Silicone septa are the preferred product for use in most HPLC and GC applications where resealability and high purity are critical.
Mar 11, 2021 · 24mm Silicone/PTFE Septa. 24mm Silicone/PTFE Septa is matched with 24mm screw neck cap, suitable for 24mm screw sample storage vial. Aijiren has an exclusive production technology that can compound PTFE and Silicone without adding any adhesives, so Aijiren’s Septa is soft and not easily deformed.
make PTFE/silicone septa suitable for all types of chromatographic applications. A thin film of PTFE is laminated to the side of the septum that faces the sample to limit exposure of the elastomer to 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 white PTFE/red silicone septa, diameter 8x1.5mm, temperature resistant -60 degrees celsius to 200 degrees celsius, 100/pk, CV1842. Free Samples, Stock Ships in One Business Day, Friendly Support Staff Available.
Sep 28, 2015 · The septa are formed from 2 layers The PTFE is on the lower side that faces your sample in the vial and is relatively inert to solvents The top side is red coloured rubber or a silicone that helps to make the seal with the cap on crimping. In general the Rubber/PTFE septum is fine for general use for 1 or 2 injections within a short space of time
Shop a large selection of Chromatography Autosampler Vial Septa Only products and learn more about Tan PTFE/Silicone Septa. For Use With: 20, 40, 60 mL vial.
Septa help maintain a leak-free seal for chromatography vials and decrease the introduction of contaminants in your lab sample. Our septa are manufactured with quality and temperature resistance in mind, some being able to withstand temperatures up to 250 degrees celsius. Choose from a large variety of PTFE to Silicone configurations in color
Shimadzu 1.5ml vials septa closure for chromatography vials Clear glass vials and caps with pre-inserted PTFE/silicone septa for ease of sample preparation. Vial size is 12x32 mm, with a writing patch on the side. 1.5mL short thread vial, 1st hydrolytic class, wide opening, label and filling lines with red cap and pre-inserted silicone/PTFE, 45° shore A, 1.0mm septum.
Blue PTFE/White Silicone 18x2mm Vial Septa - 100/pk, CV1992. Regular Price $14.12 Price $12.28. In stock. SKU. CV1992. Add to Cart. Order a Sample. Order a Sample. Number of products in this sample: 5.
General description. Vial septa are available in a variety of materials. Septa are selected based on the chemical properties of the sample and the temperature to which the vial will be subjected during the analysis. PTFE/Silicone septa are for use with most organic solvents but chlorosilanes. It has good reseal ability and can withstand a temperature of 250°C.
Silicone rubber septa. High quality, silicone rubber laminated to PTFE. Use when excellent resealing qualities are a must. Septum resists coring and is recommended when multiple injections are required. Preferred septa for use in liquid chromatography applications.
Description. Vial septa are available in a variety of materials. Septa, tan PTFE/silicone are sized to fit screw top vials. They are suitable for use with most organics (until pierced) and are not recommended for use with chlorosilanes.
Jan 02, 2006 · Figure 3 - Typical mass chromatogram of volatile residue in hexane caused by PTFE/silicone septa: a) hexane extract of a piece of septum; b) vial septum was punctured once by a syringe to sample 1 μL hexane for GC analysis; c) hexane in the last vial was reanalyzed after 3 days; and d) analyzed immediately after 100 μL hexane was added from one vial to another (the septum was punctured 10
Septa, tan PTFE/silicone white tan PTFE/silicone, diam. × thickness 13 mm × 0.060 in., for use with 7 mL vial, pkg of 100 ea; find Supelco-27155 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich
