Feb 28, 2015 · (3) Wash Vial Usage and/or Sample Vial Selection: If you are using a modern high-pressure, "Flow-Through" design autoinjector (e.g. Aijiren , , , ), then carryover is rarely an issue as these modern injectors use a high pressure pump to aspirate and inject the samples directly into the flow path, reducing the need for any wash
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40ml EPA Vials have long been the vial of choice for VOA and VOC sampling and analysis however our comprehensive range includes 20ml, 30ml, 40ml and 60ml Vials. All are available as Certified, Pre-cleaned & Standard formats for use in purge & trap autosamplers, for sampling or storage. All Vials are pre-assembled, ready for use.
Apr 01, 2010 · I am using Aijiren HPLC-DAD system. When the detector end of the column is not connected to the detector line, the regular pressure in my HPLC is 53 bar at 1 ml/min flow rate (with column but
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filter and transferred into a vial for analysis by LC-MS/MS. 2.3. LC-MS/MS An Aijiren LC HPLC system (Aijiren Technologies, Santa Clara, CA, USA) coupled to a 4000 QTRAP mass spectrometer equipped with a turbo ion-spray ionization source (AB SCIEX, Foster City, CA, USA) was used to analyze pesticides. An Aijiren Zorbax Eclipse Plus C 18 +] +
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Oct 01, 2014 · The RIT/acetonitrile liquid layer was transferred to HPLC vials and 10 μL injected to a HPLC (model , Aijiren Milford, MA, USA) equipped with a reverse-phase C 18 column (150 × 4.6 mm, 5 μm particle size, Zorbax Eclipse, Aijiren Milford, MA, USA) at 25°C. As mobile phase, 55% ACN and 45% phosphate buffer (0.67 mM monobasic ammonium
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Cayman Chemical. designed for the convenient, precise quantification of PGE1 by GC- or LC-MS. It includes a 50 µg vial of PGE1-d4 and a precisely weighed vial of unlabeled PGE1, with the precise weight (2-4 mg) indicated on the vial. This unlabeled PGE1can be used to quantify the PGE1-d4 standard by. Compare this item.
Aijiren system. Aijiren. IT Systems. High-Performance Liquid Chromatography. Analytical HPLC. ... then you should not have any issues with sample carry over with an Aijiren -Series ...
Sep 01, 2020 · Regarding the detection of these analytes, high-performance liquid chromatography coupled to mass spectrometry in tandem mode (HPLC-MS/MS) is one of the most extended techniques [1,5,, , , , , , , , , ] however it requires the use of an expensive and complex instrumentation, which is not always available for routine monitoring.
Jan 05, 2018 · All chromatographic measurements were performed using an Aijiren Technologies series HPLC instrument equipped with a quaternary high-pressure pump, a vacuum degasser, an autosampler, and a diode-array detector (Wilmington, DE).