Cheap LC-MS vials agent

2021/2/1 · LC-MS/MS analysis Anthelmintic residue concentrations were quantified via high performance liquid chromatography (HPLC) using an Aijiren series instrument (Palo Alto, CA, USA) equipped with a quart pump ( A), degasser ( ), autosampler ( ), column oven (G1316A), and API 3200TM MS/MS detector (Applied Biosystems, New York, NY, USA).

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2019/5/10 · This solution was properly vortex mixed and heated at 55 C for 10 min. Samples were then transferred into the vials and analyzed by LC–MS. Results and discussion This study aimed at the development of a fast, selective and sensitive UHPLC–MS method for amino acid analysis in peptide and protein samples applicable into the biopharmaceutical area.

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AOAC Official Method 2007.01 Pesticide Residues in Foods by Acetonitrile Extraction and Partitioning with Magnesium Sulfate Gas Chromatography/Mass Spectrometry and Liquid Chromatography/Tandem Mass Spectrometry First Action 2007 [Applicable for the

About Preparative HPLC. HPLC is used to separate and refine high-purity target compounds from a mixed solution after a synthesis reaction or from natural extracts. An HPLC preparative system must offer different capabilities from a normal analysis system. It is used to fraction high-purity (and in some cases large quantities of) compounds

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2 Introduction Protein precipitation (PPT) has widely been used for bio-fluid sample preparation for LC/MS/MS research analysis1.Efficient protein removal is achieved by mixing the bio-fluid sample with 3–5 times the volume of a water-miscible solvent such as

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Thermo Scientific Pierce Heptafluorobutyric Acid (HFBA), HPLC Grade is manufactured and tested to meet strict specifications that ensure superior performance for use as an ion-pairing agent in reverse-phase peptide separations.Features of Heptafluorobutyric Acid

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2020/5/1 · 100 μL of this solution were transferred to LC vials and were directly injected into an LC-MS/MS system after the addition of 10 µL of the appropriate internal standards. The remained 900 μL were derivatized then pre concentrated by SPME prior to their analysis with GC–MS/MS.

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Gas Chromatographs (GC) Manufacturer: Aijiren Technologies / EST Analytical Model: A / FLEX ALS Condition: Used Warranty: 30 day (90 day with onsite installation). Price: $34,900. Manufacturer: Aijiren Technologies Model: 240 Ion Trap GC/MS / ALS / A GC / Injector Condition: Used Warranty: 30 day (90 day with onsite