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  • Rights: University of Waikato
    Published 17 September 2009 Referencing Hub media
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    A scintillator chemical (butyl-PBD) is added to the liquid benzene. Fiona is wearing an aspirator because of the carcinogenic1 properties of benzene. Special silica2 glass vials are used to contain the mixture of benzene and PBD.

    1. carcinogen: A substance that can cause cancer.
    2. silica: Informal name for the chemical silicon dioxide (SiO2). A component of rocks that can make them look white in appearance, for example, pumice has high silica content.
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      carcinogen

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    2. A substance that can cause cancer.

      silica

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    4. Informal name for the chemical silicon dioxide (SiO2). A component of rocks that can make them look white in appearance, for example, pumice has high silica content.