[Jewelry making - Article 00046] - Re: [Orchid] The use of Anhydrous Ammonia

[John AT mlce.net]

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    It is however, VERY hard on ANY soil life be it insect, plant,
    fungus, bacteria, nematode, worm, etc.  Basically gives a sterile
    area where it is injected.  Liquid ammonia is also used in large
    commercial refrigeration units as the heat exchange gas (replaced
    with fluorine gasses in smaller units and in home appliances).
    Special OBA's (Oxygen Breathing Apparatus - units that make oxygen
    in an internal gas loop,,,, these do not "filter" air as in normal
    mask filter units) are required to be available in the areas of the
    refrigeration units and when handling the Ag materials. 

    Be careful with it..... 

    Again, more than anyone wanted to know... 

JD


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