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| Erlenmeyer flasks with screw closure, teflon FEP, Tefzel ETFE closure. Withstand temperatures from -270ēC to +205ēC; closures from -100ēC to +150ēC. Can be autoclaved or chemically sterilized. Before autoclaving, just set cap or closure on top of the container without engaging the threads. Can be boiled in concentrated nitric acid for trace metal work. |  |
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