网页1 天前 · All of the fibers were conditioned at the GC injection port and kept at suitable temperature according to the manufacturer’s instructions, prior to GC analysis. For each type of SPME fiber, 1 mL urine and 0.6 g NaCl were placed in a 20 mL headspace glass vial, sealed with a polypropylene hole cap and PTFE/ silicone septa, and incubated at 60 C
网页2019年8月25日 · How to remove and replace a new septa in gas chromatography gc Here all my practices.. before follow this be with senior analyst. Don't follow exact this ...
网页2020年11月16日 · Troubleshooting Injection Port Septa. Gas Chromatograph (GC) injection port septa are a critical item in your GC system, but many of the associated problems are
网页A specially moulded seal with a PTFE insert. Sealing surface of Butyl and PTFE affects a more positive seal than non-PTFE-faced septa. Ideal choice for temperatures below 125°C. Good sealing characteristics, excellent resistance to most solvents with reduced coring and high puncture tolerance.
网页Home » News » GC Septa » 10mm centre hole Aluminum GC septa Products list 1-4mL Autosampler Vials for HPLC, UPLC, GC 16mm, 25mm Test Tubes for Water Analysis 6
网页Gray PTFE/Molded Black Butyl (Pharmafi x) Septa -20 +125 -4 +257 Black Rubber Septa -20 +100 -4 +212 *This septum is used for liquid injection. 20mm version is not available.
网页PP screw cap ND8, black, 5.5 mm hole, silicone white / PTFE red, 45 shore A, 1.3 mm, UltraClean. 1.5. Varian. 100. 9.003 558. * Screw cap and septa are Unlimited options in
网页Low durometer of rubber allows ease of needle penetration. 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
网页The useable inlet temperature range of 100-350 C is adequate for most GC applications. Don′t be fooled by other septa that advertise a maximum temperature of 400 °C! Tto make septa with high thermal limits, they must be made stiffer, resulting in septa that are harder to pierce and easier to core!
网页汎用セプタム. 総合カタログNo.31 P.572. 各社GCに対応する注入口セプタムの一覧表です。. 機種、用途に合わせて、注文してください。. 直径／形状. 厚さ. 用途. 対応機種. 呼称.
网页7 Endura-Seals GC Septa Endura-Seals are a patented alternative to typical silicone-rubber injection port septa for gas chromatography. They work in a 2-part sealing system that includes the septa and the sealing nut. The duckbill
网页Detector. 5.1. Sample Injection Volume. The guidelines for sample injection volumes are as follows. If the injection volume is too large, the peak shape will become deformed, or the injection port will become dirty, leading to problems. Liquid samples: Approx. 1 to 2 µL Gas samples: Approx. 0.2 to 1 mL. Liquid samples become a gas at the stage
网页Long Life GC Septa Long Life GC Autosampler Septa are designed for use with GC Autosamplers. The 5, 9, 11 and 11.5 mm diameter Long Life septa are available with a
网页2022年8月5日 · General Purpose Blue Septa are suitable for most GC applications, they have a service life of up to 150 injections, and the maximum working temperature is 250 °C. They are produced in diameters
网页Molded Septa are manufactured from high quality, low bleed material that uses the same exclusive LB-2 rubber formulation chromatographers are accustomed to using. Design.
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