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  • Using starch to dispense indicators and reagents
    Zupančič-Brouwer, Nataša ; Glažar, Saša A. ; Vrtačnik, Margareta
    The new experimental method described above can help in teaching and learning acid-base concepts. It is suitable for experimental work performed by pupils and can be used also for teacherʹs ... demonstrations. In this method, a soft medium based om flour is used as a reaction medium to carry out chemical reactions that can normally run in water solution. No laboratory glassware is necessary for the experiments, and there is no risk of spillage. The experiments can be done anywhere, safely and individually also in a larger group of pupils. Micro or semi-micro quantities of chemicals are employed, andthe medium, which has been used, can be safely disposed afterwards.
    Vir: Acta chimica slovenica. - ISSN 1318-0207 (Vol. 47, no. 1, 2000, str. 81-88)
    Vrsta gradiva - članek, sestavni del
    Leto - 2000
    Jezik - angleški
    COBISS.SI-ID - 1130076

vir: Acta chimica slovenica. - ISSN 1318-0207 (Vol. 47, no. 1, 2000, str. 81-88)

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