Gardner Denver Welch Cold Trap

Gardner Denver Welch Cold Trap


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Gardner Denver Welch Cold Trap. Cold trap for suction and vacuum lines or Schlenk lines. It reaches −79 °C by using a mixture of dry ice and isopropanol or liquid nitrogen. Maintains temperature for 12 hours if dry ice/isopropanol is used or 2 hours if liquid nitrogen is used. 2.8 L internal glass. Transparent lid for visual inspection. Easy cleaning.

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The Gardner Denver Welch cold trap is used to process samples with low eutectic points. The trap is connected in series with a freeze-drying system or vacuum evaporation system and a vacuum pump to prevent contaminants from migrating to the vacuum pump.

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