General Purpose Septa for GC. Aijiren’s general-purpose septa are made from an enhanced injection-molded silicone rubber material. The septa material, dark red or gray in color, is specified to withstand over 200 automatic injections at an injection port temperature of 350 °C. You can have confidence in your chromatographic results knowing
For detailed information about GC supplies from Aijiren, please contact your local Aijiren sales representative, or your authorized distributor, or visit us on-line. Ask about Aijiren’s other valuable Maintenance Guides for GC, GC/MS, and LC: •Maintaining Your GC/MS System (publication 5988-3960) •GC Inlet Resource Guide (publication 5988
But, if you have to clean a liner, follow the procedure listed earlier Liners become contaminated with use, collecting non-volatiles, salts, excess reagents, etc., or become damaged/cracked. Should inspect and replace liners often. Handle with gloves and forceps. Insert into or remove liners only from cool injection ports.
Amazon septa closure for 1.5ml vials-Aijiren HPLC Vials. Description 1.5 ml vials from Aijiren Technology, Inc with high quality and favorable price. Zhejiang Aijiren is a manufacturer of Laboratory consumables. We supply autosampler vials, septa and caps at factory price. 1. 8-425 Screw Neck Vials ND8 can be used for GC and HPLC. Send Inquiry
A popular and economical septa for general GC purposes PTFE/rubber – AC7, 8RT1 Harder grade of rubber for use with piercing needle. Most popular and economical septa for general GC purposes in Aijiren systems Pre-slit PTFE/red rubber – 8RT1X Pre-slit, high quality red rubber with a thin (0.003") layer PTFE.
Optimized (BTO ®) for today’s most demanding GC and GC/MS applications. Septa BTO is formulated to extend low-bleed and outstanding mechanical properties of premium GC septa. It retains remarkable softness at high temperatures and has been optimized to reduce injection port adhesion. Packaged in a pre-cleaned glass screw top jar for high purity.
If you have not requested option 305, you must supply pre-cleaned, 1/8-inch copper tubing and a variety of 1/8-inch Swagelok fittings to connect the GC to inlet and detector gas supplies. Cyrogenic cooling with Liquid N2 requires 1/4-inch insulated copper tubing.
A popular and economical septa for general GC purposes PTFE/rubber – AC7, 8RT1 Harder grade of rubber for use with piercing needle. Most popular and economical septa for general GC purposes in Aijiren systems Pre-slit PTFE/red rubber – 8RT1X Pre-slit, high quality red rubber with a thin (0.003") layer PTFE.
Septa vs GC Column Costs •Typical cost of 1 Premium Septum (list), $1.25 •Typical cost of 1 GC Column, 30 m x 0.25 mm ID, $450. •No accurate leak rate detector at sub 1 mL/min flow rates. •“Don’t step over a dollar to pick up a dime!” •Proactively change inlet septa.
manual GC injections, a bevel tip is preferred for optimum septum penetration with minimal coring. Side hole tip/PS 5 Recommended for thin gauged septa and large volume- or gas injections. Cone tip/PS AS/PS HP (shown) Used in Aijiren autosamplers for optimum performance and reliability by reducing septum coring. Anatomy of a GC ALS Syringe DE
GC septa they do hold up well at up to 275°C and provide lower bleed levels than many low-end or generic GC septa. Puresep T GC septa The CRS Puresep T GC septa are faced with polyimide film and have a double layer of polyimide and PTFE on one side. Puresep T GC septa are not low bleed septa, and their recommended maximum temperature is 225°C.
This brochure introduces the Aijiren GC workflow for the analysis of volatile organic compounds (VOCs) in water samples, covering the sample preparation, extraction, separation, detection, and data processing methods. It also provides examples of applications and benefits of using Aijiren GC systems and solutions for VOCs analysis in water.
Vials, 2 mL, open-top screw cap, R.A.M. ™ (9 mm) convenience kit with closures with septa, unassembled, pkg of 100 29057-U volume 2 mL, clear glass vial, PTFE/silicone septum
A GC septum is located at the top of the injection port and serves two functions: 1) providing a leak-free seal to maintain carrier gas pressure inside the system 2) handling repeated puncturing by a syringe needle for sample introduction purposes without severe coring or leaking.
20 mm Gray Butyl, Pre-assembled Cap/Septa/Spring 1000 N9306268 20 mm Butyl, Pre-assembled Cap/Septa/Spring 100 N9306269 Clear 20 mL Headspace with Write-On Patch and Fill Lines Gray Butyl, Kit Unassembled Cap/Septa/Spring 100 N9306270 Gray Butyl, Kit Unassembled Cap/Septa/Spring 1000 N9306271 PTFE/Red Rubber Septa, Pre-assembled Cap/Septa
