[Jewelry making - Article 00006] - Re: [Orchid] The use of Anhydrous Ammonia

[Milt Fischbein]

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>     "called" anhydrous ammonia & ...Like everything else that's sold
>     in this world, the name may be a figment of some advertising execs
>     imagination, with just a little bit of truth. 

    Many years ago I was employed as a Chemical engineer in the
    Anhydrous Ammonia business. The Anhydrous Ammonia used by farmers is
    definitely virtually pure anhydrous ammonia NH3.  It is shipped
    under pressure and applied by farmers just below the soil surface. 
    Some portion escapes to the atmosphere as ammonia gas and the rest
    is bound up with moisture in the soil. It is a very effective and
    economical way for farmers to apply nitrogen fertilizer. 

    Anhydrous ammonia is also used to make the ammonium salts (ammonium
    sulphate and ammonium nitrate) that John referred to. 

    Interesting how we went from discussing jewellery to discussing
    farming. 

Regards
Milt Fischbein
Calgary, Canada


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