Cold Trap Dewar Option Installation

  Cryogens can cause frostbite injury. Wear safety glasses and insulating gloves when handling cryogens.

    1. Fill the cold trap dewar with a cryogen (such as liquid nitrogen) to approximately 2 in. (5 cm) from the top.
    1. Place the cold trap dewar below the cold trap tubes and gently slide the dewar up around the cold trap tubes.
    1. Hang the bracket on the top of the dewar onto the bracket behind the cold trap tubes.
    1. The insulated dewar cover has a slot and two holes for the cold trap tubes. Gently open the slot and slide the dewar cover around the two cold trap tubes.
    2. Hang the safety shield around the cold trap dewar.
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