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Date Posted: 19:02:15 11/29/01 Thu
Author: z
Subject: Re: "Luomupeltohehtaari rehevöittää tehoviljelyhehtaaria vähemmän"
In reply to: Khamul 's message, "Re: "Luomupeltohehtaari rehevöittää tehoviljelyhehtaaria vähemmän"" on 17:37:36 11/29/01 Thu

>>
>>Ei vaan se on ammoniakkia NH3. Ammoniumiahan on
>>lannassa ja tavallisissa väkilannoitteissa. Ja
>>meinaatko, että USA:n mahti ruokamarkkinoilla on
>>mennyttä... pilasivat jo peltonsa?
>
>Hmmm... Käsittääkseni kun ammoniakkia on vedessä, niin
>se on muodossa NH4+ eli ammoniumina (jos nyt yhtään
>kemiaa muistan, niin ammoniakki on vesiliukoinen).

Emäksisessä ympäristössä ammonium muuttuu ammoniakiksi, ja siis emäksisessä pysyy ammoniakkina elikkä kaasuna... haihtuu. Ja veteen liuennut ammonium pysyy ionimuodossa, jos liuos on hapan. Kyse on siis pitkälti samasta yhdisteestä Suomessa (väkilannoitteessa ja lannassa)ja USA:ssa

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