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HPLC analysis was carried out in isocratic mode at a flow rate of 1.0 mL/min and using an injection volume of 50 μL. The data integration system was a DataApex (Petrzilkova, Prague, Czech Republic) Chromatography Station software (version CSW32 1.4).
When equipped with a 0.2µm filter, the system delivers high purity water suitable for HPLC, LC-MS, MALDI-ToF-MS, IC, ICP, AA and most common analytical laboratory techniques. When an ultrafiltration cartridge (BioPak™) is utilized at point-of-use, the water is suitable for genomic applications (DEPC-equivalent) and cell culture.
UPLC max recovery sample vials (186000327c) for analysis. Ink extracts: 10 lines, each 1 cm long, were written with each ballpoint pen on a 20lb XEROX multipurpose 4200 paper. The sample with writing was cut (0.5x1cm2) and placed in a screw cap UPLC sample vial with 500 μL to which solvent (1.25% acetic acid: CH 3CN = 70 : 30 v/v%) was added.
Mar 14, 2013 · The vials were heated in a boiling water-bath for 15 min. and cooled. 1.0 mL of acetonitrile was added to each vial and centrifuged for 10 min at 10000 rpm. Portions of 500 μL of the supernatant solutions were transferred into each of a set of eight vials followed by 300 μL of water. 200 μL of FLC solution (0.05% w/v) was added to all vials.
Vials and closures listed in this section are designed, engineered and manufactured for optimum performance with HPLC and LC/MS applications.
A great deal of energy, money, and time can be spent on sample preparation. The last thing you need is for a sample vial to contribute to contamination resulting in complicated data interpretation or complete reanalysis. By using certified
Jun 01, 2020 · The partial supernatant was filtered through a 0.22 μm membrane into an HPLC vial for HPLC analysis, and the remaining supernatant was used to determine anti-oxidant activity. 2.5. Method validation. High performance liquid chromatography fingerprinting was validated for precision, stability, and repeatability.
Adapter pack for MyFuge ™ 5 Microcentrifuge, holds 0.5-2.0 mL cryovials and 1.5/2.0 mL HPLC vials. 1 Product Result
Sep 01, 2008 · The HPLC assay yielded higher results for albumin across all concentrations , with the bias more apparent at concentrations <100 mg/L, and especially <50 mg/L. Overall, the mean difference with the HPLC assay was 34% . These results are consistent with previous observations that HPLC gives higher values than immunoassay, especially in the
Jan 01, 2003 · This mixture was heated at 170 °C in a reaction oven. The guanidine adducts of sugars were monitored by a fluorescence detector with excitation at 310 nm and emission at 415 nm. The flow rate of both the mobile phase and the guanidine reagent was 0.5 mL/min. A diagram of the present HPLC system is shown in Fig. 1. The mannose concentration was
A 3D-HPLC system was constructed using NANOSPACE SI-2 instruments (Shiseido, Tokyo, Japan). The system consisted of seven pumps (3101 and 3201), a 3202 degasser, a 3023 auto-sampler, two column ovens (3004 and 3014), an LED fluorescence detector with three detection cells (designed/developed by the collaboration with KAGAMI, Ibaraki, Japan), three high-pressure valves (3011 and 3012), and a
To order HPLC attached to your ECO Funnel(s)™ please add the desired ECO Funnel or System to your cart, and add up to 6 HPLC fittings per 4" funnel and 8 fittings per 8" funnel. If you order more than one ECO Funnel, please call us at 888.322.5722 to make sure we customize the funnels correctly.
Aijiren Lab solutions for high- and ultrahigh-performance liquid chromatography include instruments, columns, and supplies to help your lab achieve highest operational efficiency. From routine analysis to cutting-edge research, the Lab LC Series offers the broadest portfolio of HPLC and UHPLC solutions for any application and
13 November 2007 Laboratory for Hydrospheric Processes/Code 614.2 10 The Temporal Stability of the CHORS C8 HPLC System: Inverse RFs at 10 – 15 ng inj-1 The DHI calibrations provide an extensive set of actual calibrations across the entire C8 analysis time period. By selecting those data with a 10 – 15 ng inj-1 concentration, the high
Autosampler vials for HPLC are generally grouped depending on the diameter of the vial, the height of the vial, and, the thread finish. Both clear glass and amber glass are highly inert. Amber glass helps avoid exposure to UV light thus protecting the samples of sensitive nature. The vials are primarily utilized to inject samples from an
Nov 28, 2019 · We also propose that this protoplast transfection-HPLC/GC–MS system can be modified to suit for studying other types of metabolites, even volatile compounds, given that appropriate extraction method (e.g., solid phase microextraction, SPME) and gas chromatography (GC)–MS, instead of HPLC–MS, is used for the quantification.