different for each type of containers (glass versus PP vials) and confirmed that the vial adsorption phenomenon was one of fact ors that compromised the reliability of anal ytical results obtained. This article describes the adsorption behavior of newly developed low-adsorption HPLC vials with respect to basic compounds and peptides.
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•Normal flow rates in HPLC are in the 1- to 2-mL/min range. •Typical pumps can reach pressures in the range of 6000-9000 psi (400- to 600-bar). • During the chromatographic experiment, a pump can deliver a constant mobile phase composition
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Glass inserts are sold in two diameters for 2mL vials; one for standard opening (4.6 mm) vials and another for large opening (6 mm). The volume will vary depending on the length and the style of insert.
Micro volume vial inserts, when used in conjunction with autosampler vials, allow for maximum sample recovery and easier sample
Z291641: Standard screw-thread autosampler vials, 12 × 32 mm volume 2 mL, amber glass vial (standard opening), thread for 8-425 : 2 mL 2 mL : thread for 8-425
Oct 07, 2019 · Centrifuging our HPLC vials is a bit outside of the scope of intended use, so we do not have technical data available. However, I was able to load some vials into an autosampler rack from a II autosampler. The centrifuge I used had a rotor for well plates, but the autosampler rack also fit.
Aijiren liquid chromatography (LC) columns deliver reliable, consistent performance in a wide range of analytical LC applications. We offer a huge variety of bonded phases for small molecule separations and our ZORBAX HPLC column range is an established industry leader.
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mers of 2-PP, 3-phenylphenol (3-PP) and 4-phenylphenol (4-PP), and no me-thod has been reported for assay of 3-PP or 4-PP. While the previous method employing HPLC-UV after derivatization with 4-fluoro-7-nitro-2,1,3,-benzox- adiazole was simple, the reagent is expensive and the system was not applicable
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recommended for HPLC use. Ultra pure HPLC water (18M Ω resistivity) is generated by passing deionized water through an ion exchange bed. Modern water purification instruments use this mechanism to produce water of suitable quality in high volumes. Alternately, HPLC grade water can be purchased from solvent suppliers. I-2. Buffers
Aijiren offers a broad portfolio including microvials and microvolume inserts, as well as polypropylene and deactivated vials for sensitive samples. Aijiren vials are fully compatible and perform seamlessly with a wide range of instruments.
