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Preparation of glasses under defined conditions

A laboratory oven with a hermetically sealed heating compartment allows the melting of samples in a defined atmosphere using a pressure range of 1-150 kPa and at a maximum temperature of 1400 ° C. After insertion of the sample, the heating space is repeatedly evacuated and refilled using a selected gas mixture. During heating, a controlled atmosphere is ensured by the flow of the gas through the heating space. When melting under a reducing atmosphere (such as hydrogen), the gas at the outlet from the oven is burned by the built-in burner.
vakuovka (originál) kelimek (originál)
Figure: Pneumatic sample mover
 vakuovka_zapojeni (originál)
Figure: Laboratory oven with control unit Figure: Schematics of gas flow distribution for the control of the atmosphere in the oven.
Updated: 14.12.2017 22:08, Author: Richard Pokorný

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