8mm black open top GC septa-Aijiren HPLC Septa Closures and septa for sampling containers. 24-400 Cap, Open Top for EPA VOA Vial, Polypropylene, Cap Only. Product Code: B7950-1A Aijiren HPLC LC 8-425 Screw Thread セプタム/キャップ(13-425) | スクリューバイア オープントップスクリューキャップ 黄 － － 12-SC(Y) 500個 1030-42510 販売中止 クローズドトップスクリューキャップ 1.8mm － 12-ST18 100枚 1030-25121 9,800 PTFE/シリコン 青 1.8mm － 12-ST18 500枚 1030-42201 31,000 白 … Thermo™ 8mm Bl...

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Which vial septa the right one to be used for HPLC? 2022年11月9日 · PTFE / Silicone septa (T/S) are the most useful for HPLC applications as they have wide chemical compatibility and low extractables (I recommend them for general purpose METHOD 8315A DETERMINATION OF CARBONYL HPLC conditions are descr ibed that permit the separation and measurement of various carbonyl compounds in the extract by absorbance detection at 360 nm. 2.3 Indoor Air Samples by Method 0 100 (Procedure 2): The sample...

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Septa material – Forum – Consumables – Aijiren Community 2021年2月11日 · Hi Maria, the septa are made of two layers, a silicone layer and a PTFE layer that faces the vial’s content. The silicone layer could be dyed red, i. e. the red is always in the silicone part, but the whole septa looks red then. Undyed silicone is just white. The inertness comes from the PTFE layer, the smoothness from the silicone layer. red ptfe septa Chrominex-Aijiren HPLC Vials Septa sample pr...

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