Lab+Life Scientist Oct 2014

Page 36

what’s new

Test tube racks The Kartell range of plastic labware includes a variety of test tube racks, designed to fit test tubes in an extensive range of sizes from most manufacturers. Most of the racks are made from polypropylene, which features high resistance to most alcohols, alkalis and acids. The company’s universal test tube racks are large-capacity racks available in five sizes to store 24-90 test tubes. Supplied flat packed, they fold into three-tiered racks, with alphanumerical references on the top tier for easy identification. Available in four colours (white, blue, yellow and red) for easy identification and organisation, the racks can be used dry, wet or in waterbaths and will not float. The design allows all samples to be incubated at the same temperature. The racks can be used in freezers without deforming or becoming brittle and can also be autoclaved at 121°C for 20 min. The company’s test tube racks, specifically designed for titration work, feature an ‘up-stand support’ design which enables all the contents of the test tubes to be visible at all times. Three sizes are available to fit 16, 18 and 20 mm-diameter test tubes. An additional base plate is also available to hold two racks in the slots provided. The base is useful for colorimetric analysis. The company’s two/three-tier test tube racks are lightweight, unbreakable racks that are manufactured on a traditional pattern. They are available in a range of sizes to suit 10-24 test tubes and can be autoclaved for easy sterilisation. The company’s two-tier test tube racks are clear racks which come in three different sizes to hold 12 test tubes in sizes up to 40 mm diameter. Manufactured from ‘glass clear’ PMMA (Plexiglas), the reduced diameter holes in the lower tier of the racks hold the test tubes safely. Sieper & Co Pty Ltd

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36 | LAB+LIFE SCIENTIST - October 2014

Fisher Bioreagents, designed for a range of applications in the areas of: Protein and Nucleic Acid Electrophoresis PCR Purification of Proteins and Nucleic Acids Microbiology Cell Culture Enzyme Assays Cell Biology Protein Chemistry |