Laboratory Vials 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

  • News on Air 2013, Volume 4: Labware and Reagents

    Welcome to volume 4 of our News on Air bulletin. This edition focusses on some of the labware and reagents that are used in this challenging area of analysis. Success in air monitoring quantitation requires that all the equipment and reagents used are inherently low in background concentrations, to prevent false positives. Commonly used materials may include: Filters, membranes, and ...


    By Sigma-Aldrich Co., LLC

  • The Spectrex particle counter used in study of pharmaceutical glass delamination.

    Delamination, or the generation of glass flakes in vials used to contain parenteral drug products, continues to be a persistent problem in the pharmaceutical industry. To understand all of the factors that might contribute to delamination, a statistical design of experiments was implemented to describe this loss of chemical integrity for glass vials. Phase I of this study focused on the effects ...


    By Spectrex Corporation

  • VialTweeter at UIS250L - Intensive Sonication of Vials

    Sonication is a very effective method for the mixing, homogenizing, emulsifying, dispersing, ...

  • Detection of chlorpyrifos on whole oats

    MATRIX: Whole grain oats ANALYTE: Chlorpyrifos RANGE OF DETECTION: 15 ppb to 204 ppb MATERIALS: Chlorpyrifos RaPID Assay and Chlorpyrifos Sample Diluent. RaPID Prepä Soil Collection Kit. Reagents: methanol (pesticide grade). Equipment: 13x100 mm glass test tubes; 5.0 mL serological pipet, precision pipet capable ...


  • Detection of aldicarb in citrus juices

    MATRIX: Citrus Juice: 100% juice (natural strength) or juice concentrate ANALYTE: Aldicarb LIMIT OF DETECTION: 37 ppb in 100% juices and approximately 30 ppb in juice concentrates. RANGE OF DETECTION: 37 ppb to 15 ppm in 100% juices and approximately 30 ppb to 12 ppm in juice concentrates. ...


  • ChlorAC Buffer

    Introduction Trace analysis of carbamate insecticide residues in water is a routine requirement in the U.S. Since several of the common carbamates — Carbaryl, Oxamyl, Hydroxycarbofuran — are labile in water due to oxidation or hydrolysis, the samples and standards must be preserved in order to obtain valid results. USEPA Method 531.1 specifies pH adjustment, ...


    By Pickering Laboratories, Inc.

  • Aminoglycoside Antibiotics in Feed Apramycin, Gentamicin, Neomycin

    Aminoglycoside antibiotics are among those commonly used in animal feeds to manage intestinal microorganisms. The beneficial effects include improved growth and generally healthier animal populations. Use of antibiotics creates a demand for analytical procedures to verify concentrations in pre-mixes and feeds and in some instances for residue analysis in animal products. This note describes a ...


    By Pickering Laboratories, Inc.

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