hplc system manufacturer Articles

  • Tips to maintain your HPLC & UHPLC systems and columns

    Recently, Ade Kujore (Cecil Instruments), Tracie Brombos (GenTech Scientific) and I were asked by Angelo De Palma, a well-respected writer for Lab Manager magazine, to contribute to an article about maintaining and caring about your laboratory instruments. Here are my tips/best practices for column and HPLC/UHPC/UPLC system maintenance. Maintaining your ...


    By Waters Corporation

  • 70-min amino acid analysis of physiological samples

    Pickering Laboratories specializes in the manufacturing of cation-exchange columns and eluants for amino acid analysis. Post-column derivatization with Ninhydrin offers unmatched selectivity and reproducibility of the analysis for most challenging matrixes. Pinnacle PCX post-column derivatization system allows analysts to combine eluant gradient capabilities of modern HPLC instruments with column ...


    By Pickering Laboratories, Inc.

  • 30-minute amino acid analysis of hydrolyzed samples

    Pickering Laboratories specializes in the manufacturing of cation-exchange columns and eluants for amino acid analysis. No other tech¬nique has been shown to match the reproducibility and selectivity of ion-exchange analysis with post-column Ninhydrin detection. Nor is there a chromatography technique that provides as much information; the 570/440 nm signal ratio for each amino acid is a ...


    By Pickering Laboratories, Inc.

  • The development of cation-exchange chromatography in free amino acids analysis

    Although it was not called a liquid chromatograph, the first such instrument was introduced in late 1959 by Beckman Instruments and was designated the M.S. Amino Acid Analyzer in honour of Moore and Stein. Inject valves had yet to be invented, the buffer switching valves were glass stopcocks and the column temperature was controlled by circulating water baths. Two positive displacement pumps ...


    By Pickering Laboratories, Inc.

  • Chromatography Tips

    No.1 Gas Chromatography Tips  Our Founders and engineers of the company had accumulated more than 60 years experience in the research and development of HPLC instrumentation; HPLC column technology; mass spectrometer installation, training and services; chemical and biochemical separation, detection and quantification, Proteomics and cancer biomarker research and ...


    By AcuTech Scientific Inc.

  • Out with the old, in with the new…

    We’re all familiar with the adage, “Out with the old, in with the new,” but we probably tend to think of it as it applies to clothes for donation or past relationships, and maybe not in terms of updating our old laboratory equipment. After attending my first WCBP conference, held in Washington, D.C. during January, and hearing life cycle management and ICH Q12 being discussed ...


    By Waters Corporation

  • Rapid raw material identification for formulation compounds using handheld Raman technology

    Ever since the European Medicines Agency (EMA) recommended that all pharmaceutical companies test every raw material that passes through their manufacturing facilities, this practice has attracted great interest in the nutraceuticals, food manufacturing, cosmetics, and agricultural industries, pushing them to strive for more rigorous and technology-oriented quality control standards. In recent ...


    By B&W Tek

  • Developing equipment specific lockout/tagout procedures – Case Study

    Challenge: Antea®Group was contracted by one of the world’s largest chemical manufacturing organizations to provide equipment-specific lockout / tagout procedures at their largest Research and Develop facility in North America. The overall objective of the project was to evaluate the worker risks during maintenance and repair operations associated with laboratory ...


    By Antea Group - USA

  • Matrix LIMS configured and implemented within 3 months case study

    Laboratory staff at Glatfelter have established an extremely close, ongoing working relationship with Autoscribe. This has allowed the design and implementation in just 3 months of a configured Matrix Gemini LIMS for the company's corporate analytical services group. Organisation Established since 1864, global paper supplier Glatfelter has expanded its product range from high-quality ...


    By Autoscribe Informatics

  • Thermo Scientific connects at GPSG Brazil delivers enterprise-level productivity linking laboratories to ERP - case study

    The Global Pharmaceutical Supply Group (GPSG) Brazil is an APILA unit of Janssen-Cilag Farmacêutica Ltda., (www.janssen-cilag.com.br) located in São Paulo, Brazil. Janssen-Cilag is one of the world’s leading research-based pharmaceutical companies specializing in pain management and fungal disease. Janssen-Cilag is a member of the Johnson & Johnson family of companies; the ...

  • Oxidative degradation of signature compounds and TOC reduction using advanced oxidation processes

    ESCO International; a company specialising in Advanced Oxidation Processes, Ozone and UV systems and with the primary objective of resolving water pollution issues on a global scale, worked on a semi-pilot scale project with an internationally well-known company in the chemical & polymers production industry, based in US. Organic compounds of concern include BI, MI, BPA, HEG and NPI ...


    By ESCO International

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