Product Category
septum cap with high quality for HPLC sampling Sigma
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High-Quality Columns for Reliable HPLC Analysis Request Information Experience reliable and reproducible HPLC separations even for your most challenging analyses in research, development and quality control, as well as in environmental, clinical and biochemical applications.
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Autosampler vials & caps for HPLC, LC/MS, GC and GC/MS There’s a Thermo Scientific vial & closure for every HPLC, GC, MS instrument, application, and budget. Experiencing screw thread closure failures and/or sample evaporation? Use Thermo Scientific 2 mL SureStop Vials with AVCS Caps. ... Ultra-high quality
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methanol (avoid Sigma 34860N Chromasolv if possible), hexanes, ethyl acetate (use p.a quality or better). - Glass vials with screw cap suitable for auto sampler injection. PTFE/silicone septum (bonded to cap). Available in the department store.
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Crimp Cap. Pro Clean Crimp cap uses Aluminum material. These caps reduce the chance of sample evaporation due to the secured and the tightest. Septa. Pro Clean septa offers Low bleed, Excellent resealability, Resists coring, High puncture tolerance. These are available in a range of materials including silicone rubber, PTFE, and butyl rubber.
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Us a rubber septum with PTFE on both sides! Caps. Caps must clearly be appropriate for the vials. Note that not all screw top vials use the same screw thread, and sometimes the screw will not stay tight. Mixing and matching vials and caps may work, but may not so try a sample before buying. Quality.
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Zhejiang Aijiren Technologies Co.,Ltd is one of the leading China 9-425 cap with septum manufacturers and suppliers, welcome to wholesale cheap 9-425 cap with septum from us.
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Fill to just overflowing and cap with Teflon-lined septum (be sure that septum doesn’t have any holes and that the teflon side is down) THMs are quite volatile and easily lost to the air This may not be necessary if sample is to be immediately extracted 4. Place vials with aqueous samples in
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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.
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Eliminates septum coring and prolongs septum life. Consistently low needle-insertion force. Simple installation with no injection port modification. Smaller diameter to accept 23-gauge needles and SPME fibers. 400 °C max injection port temperature.
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Caps for screw thread vials are available with either an open hole for autosampler use and standard addition or with a solid top for sample storage. One piece polypropylene cap and membrane are also available. These pierceable screw thread caps are designed for one time use and reduce sample preparation time as there is no cap and seal to assemble.
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Made of Polypropylene T347AQX screw cap incorporates a pierceable septum made of chemically resistant PTFE on the outside and silicone on the inside, both components being stable over a broad range of temperatures. The septum also acts as a silicone o-ring for better sample
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High-performance liquid chromatography (HPLC), formerly referred to as high-pressure liquid chromatography, is a technique in analytical chemistry used to separate, identify, and quantify each component in a mixture. It relies on pumps to pass a pressurized liquid solvent containing the sample mixture through a column filled with a solid adsorbent material.
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Each lot of certified kits is tested by HPLC/UV and GC/MS against 15 critical parameters. Certificate of Conformance included in every pack. Kits are delivered shrink-wrapped to ensure product cleanliness. Superior quality 1st hydrolytic class glass (Type 1) in clear and amber; Fixed insert or conical base vials for limited volume sampling
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High-Quality Columns for Reliable HPLC Analysis Request Information Experience reliable and reproducible HPLC separations even for your most challenging analyses in research, development and quality control, as well as in environmental, clinical and biochemical applications.
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High Quality These vials, septa and caps have been certified as high quality products by inspection agency. The cap with ultra clean septum is recommended for high sensitivity measurements. Practical Flexibility You can choose the vial according to the sample
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