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  2. Hach Company - Wikipedia

    en.wikipedia.org/wiki/Hach_Company

    Hach Company manufactures and distributes analytical instruments and reagents used to test the quality of water and other liquid solutions. Manufactured and distributed worldwide, Hach systems are designed to simplify analysis by offering on-line instrumentation, portable laboratory equipment, prepared reagents, easy-to-follow methods, and technical support.

  3. Urine test strip - Wikipedia

    en.wikipedia.org/wiki/Urine_test_strip

    The urine test strip test for blood is based on hemoglobin's pseudo peroxidase activity in catalysing a reaction between hydrogen peroxide and the chromogen tetramethylbenzidine in order to produce a dark blue oxidation product. [6] [13] the resultant colour can vary between green and dark blue depending on the amount of hemoglobin. [13]

  4. Test strip - Wikipedia

    en.wikipedia.org/wiki/Test_strip

    A test strip is a band/piece/strip of paper or other material used for biological testing. Specifically, test strip may refer to: Food testing strips; Glucose meter test strip; Lipolysis test strip; Urine test strip; Universal indicator pH test strips; It may also refer to: Teststrip, an art gallery in Auckland, New Zealand

  5. Scintillation proximity assay - Wikipedia

    en.wikipedia.org/wiki/Scintillation_proximity_assay

    The SPA method depends on the short pathlength of tritium-released beta particles. For instance, the decay of a Tritium atom releases a beta particle, which is well-suited to SPA due to a very short (1.5 μm) path length through water. So, when the β-particle is within 1.5 μm of the scintillant bead, there is sufficient energy to stimulate ...

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  7. Water testing - Wikipedia

    en.wikipedia.org/wiki/Water_testing

    The [[World Water Monitoring [36] Day|EarthEcho Water Challenge]] is an international education and outreach program that generates public awareness and involvement in safeguarding water resources globally by engaging citizens to conduct water testing of local water bodies. Participants learn how to conduct simple water quality tests, analyze ...