High quality ptfe septa for vial analysis manufacturer. PTFE/High Performance Rubber is a highly pure synthetic red rubber septum that provides a reduced background level for specific GC appliions,employing sensitive detectors such as ECD or NPD. PTFE/Silicone Septa (T/S) has high-quality,low background/blank value,100% synthetic pure silicone
The C&G 40 mL precleaned VOA (volatile organic compound) vial is mainly used in research laboratories or in chemical industries. It is suitable for use with autosamplers, solid cap and liners for analysis. This L3 vial comes with a 24-414 white PTFE septa cap which offers tight sealing of sample. Compare this item.
HPLC & GC Certified Screw Vial & Cap Kits for 2 mL Samples. Precleaned, EPA certified assembled kits; includes 40 mL screw vials and 24 mm. open top screw caps. 0.3 and 1.5 mL screw top vial-cap kits for analysis of small sample volumes. For use with environmental analyses under EPA regulations.
Thermo Scientific Nalgene. Teflon® FEP Bottles RCF to 4,000 x g Withstand temperatures from -100° to +150°C Flat bottoms Autoclavable bottles have an 80% capacity (approx. 200 mL) in refrigerated centrifuges. Bottles include 38 mm Tefzel® ETFE screw caps. Dimensions (o.d. x H, mm): 62 x 122.
Cole-Parmer ESS GD0707-7000 Sampling Bags With Combination Valve, 1L. Gas sampling bags are constructed of 2-mil thick Tedlar with solid seam to keep gases contained. Unique, polypropylene combination valve features 3/16" OD on/off stem suitable for tubing connections and integral PTFE silicone septum for syringe sampling.
DWK Life Sciences (Wheaton) Autoclavable Attached screw caps Rubber lined caps Clear sample vials have solid top black phenolic caps that are Teflon faced with 14B rubber liners. Cap material is black phenolic and cap and liners are autoclavable. This sample vial and closure combination provides an extremely. Compare this item.
The C&G 60 mL precleaned VOA (volatile organic compound) vial is mainly used in research laboratories or in chemical industries. It is suitable for use with autosamplers, solid cap and liners for analysis. This L3 vial comes with a 24-414 white PTFE septa cap which offers tight sealing of sample. Compare this item.
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6.2 Sample Recovery. The following items are required for sample recovery: 6.2.1 Wash Bottles. Polyethylene or glass, 500-ml, two. 6.2.2 Sample Vials. Glass, 40-ml, with Teflon®-lined septa, to store impinger samples (one per sample). 6.2.3 Graduated Cylinder. 100-ml size. 6.3 Analysis. The following are required for analysis:
The septum is provided with a thin 0.005” PTFE layer laminated to highly pure silicone, and slit through the center for easier needle penetration and to release the vacuum that forms when a large volume of sample is withdrawn from a vial.
Teflon lined polypropylene caps Offered precleaned with or without Independent Laboratory analysis Ready for immediate use Available in clear glass (1755D48 through D84) and amber glass (1755E24 through 1755E72) for light sensitive samples. For Safety-coated Boston Round Bottles, see
On most of the HPLC septa, the white surface is the Teflon side, so face it towards the liquid sample, but check with the supplier you use as this varies a lot (e.g. Aijiren sells both red and
6.1 All samples must be collected using a sampling plan that addresses the considerations discussed in Chapter Nine. 6.2 All samples should be collected in bottles with Teflon septa ( e.g., Pierce #12722 or equivalent) and be protected from light. If this is not possible, use amber glass 250-mL bottles fitted with Teflon-lined caps. Foil may
Thermo Scientific Nalgene. Teflon® FEP Bottles RCF to 4,000 x g Withstand temperatures from -100° to +150°C Flat bottoms Autoclavable bottles have an 80% capacity (approx. 200 mL) in refrigerated centrifuges. Bottles include 38 mm Tefzel® ETFE screw caps. Dimensions (o.d. x H, mm): 62 x 122.
Septa selection guide Overview Diferent septa material for LC and GC applications There are many diferent types of materials used to produce the septa found in LC and GC vial caps. This document will provide you with the technical guidance you need in order to make the right selection. Choosing the right septa
Teflon® FEP Bottles RCF to 4,000 x g Withstand temperatures from -100° to +150°C Flat bottoms Autoclavable bottles have an 80% capacity (approx. 200 mL) in refrigerated centrifuges. Bottles include 38 mm Tefzel® ETFE screw caps. Dimensions (o.d. x H, mm): 62 x 122. Related Products: Bottles Autoclavable Nalgene.
