[Jewelry making - Article 00911] - Re: [Orchid] Still more torch questions

[Dave Arens]

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Hi James,

>     I would like to understand this further, please. Acetone is
>     dissolved into the acetylene, but later separates and settles to
>     the bottom of the tank, is that what you're saying?

    The acetylene is dissolved in the acetone. 

    Because everything in the tank is under pressure, if the tank is
    lying on it's side or in any position with the valve lower than the
    tank, the acetone (with dissolved acetylene) will be forced out the
    valve if it's opened. In order to prevent the acetone from be
    expelled, the tank should be returned to a full upright position &
    allowed to stand in that position for a short time before the valve
    is opened. 

    This will give the acetone a chance to seek a level lower than the
    valve. 

Dave

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