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How is Thermal decomposition of ammonium nitrate ?

 

Unstable nature of ammonium nitrate , heat decomposition, but the decomposition reaction is more complex, different product temperature is different. For example 110 ℃, decomposition following formula :
      NH4NO3 = HNO3 + NH3
      At 185 ℃ ~ 200 ℃, decomposition reaction is as follows :
      NH4NO3 = N2O +2 H2O
      If suddenly heated to a high temperature , or by crashing, explosive decomposition occurs :
      2NH4NO3 = 2N2 ↑ + O2 ↑ +4 H2O
      There are other possible responses , plus introduced here is unknown .
      Due to the volume of gas produced by thermal decomposition of rapid expansion , if a violent explosion occurs in a limited space, if mixed with combustible materials , the explosion is even more intense. Therefore, ammonium nitrate can be used to manufacture explosives.
      4 Long-term administration of thiamine causes increased soil acidity , compaction sclerosis
      After addition of ammonium sulphate , the hydrolysis reaction of ammonium sulfate in the acidic aqueous solution :
      NH4 + + H2O ( Insert Picture " ( thermal decomposition of ammonium nitrate ) in the middle double arrow symbol ") NH3 · H2O + H +
      NH4 + under suitable conditions will be soil nitrifying bacteria oxidized to nitric acid , acidic soil increases :
      NH4 + +2 O2 ( insert pictures ( thermal decomposition of ammonium nitrate ) in the middle symbol nitrate bacteria ) 2H + + NO3-+ H2O
      NH4 + can also substitute the soil colloids in the H + and enhance soil acidity.
      After acidification of the soil , due to an increase in H + in the soil solution and can replace adsorbed on soil colloids Ca2 +, so that the destruction of soil aggregate structure , becomes compacted sclerosis.

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