• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

The uses of Ammonia

Extracts from this document...


The uses of Ammonia, Nitric Acid and Sulphuric Acid in the manufacture of inorganic fertilisers Why are they required, are there any problems with their use, e.g pollution, if so, how are they overcome? By Laura Bateman Fertilisers are compounds given to plants to promote growth, they are usually applied either through the soil for uptake by plant roots, or by foliar feeding for uptake through leaves. Fertilizers can be organic (composed of organic matter), or inorganic (made of simple, inorganic chemicals or minerals). They can be naturally occurring compounds such as peat or mineral deposits, or manufactured through natural processes (such as composting) or chemical processes (such as the Haber process). They typically provide, in varying proportions, the three major plant nutrients- nitrogen, phosphorus, Potassium (N-P-K), the secondary plant nutrients- calcium, sulphur, magnesium (Ca-S-Mg) and sometimes trace elements or micronutrients with a role in plant nutrition (Boron-B, Chlorine-Cl, Manganese-Mn, Iron-Fe, Zinc-Zn, Copper-Cu and Molybdenum-Mo). ...read more.


There are many problems associated to using these inorganic fertilisers, here are to name a few. Inorganic fertilisers sometimes do not replace trace mineral elements in the soil which become gradually depleted by crops grown there. This has been linked to studies which have shown a marked fall ( up to 75% ) in the quantities of such minerals present in fruit and vegetables. The problem of over fertilisation is primarily associated with the use of artificial fertilisers, because of the massive quantities applied and the destructive nature of chemical fertilisers on soil nutrient holding structures. The high solubility's of chemical fertilisers also exuberate their tendency to degrade ecosystems. Storage and application of some nitrogen fertilisers in some weather or soil conditions can cause emissions of the greenhouse gas nitrious oxide (N2O). Ammonia gas (NH3) may be emitted following application of inorganic fertilisers, or manure or slurry. ...read more.


The compound is not persistent and the buffering capacity of the soil and water is likely to return the pH to an acceptable level within a relatively short period. Sulphuric acid is known to break down relatively quickly, reducing the possibilities with long tem effects on the environment. The growth of the worlds population to its current figure has only been possible through intensification of agriculture associated with the use of fertilisers. There is an impact on the sustainable consumption of other global resources as a consequence. The use of fertilisers on a global scale emits significant quantities of greenhouse gas into the atmosphere. Emissions come about through the use of fertilisers that use nitric acid or ammonium bicarbonate, the production and application of which results in emissions of nitrogen oxides, nitrous oxide, ammonia and carbon dioxide into the atmosphere. By changing processes and procedure, it is possible to mitigate some, but not all, of these effects on anthropogenic climate change. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Inorganic Chemistry section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Inorganic Chemistry essays

  1. Peer reviewed

    Deducing the quantity of acid in a solution

    5 star(s)

    First of all, looking back to the procedure, we are going to find any possible errors that could have affected our numerical answers. These errors could have relation to: - Weighing and transferring the solid (Na2CO3) - Having the material not contaminated - Having the right amount of everything -

  2. Peer reviewed

    Analysis of sulphur dioxide content in wine.doc

    4 star(s)

    Besides wine, sulphur dioxide and its salts are widely used to preserve dehydrated fruits and vegetables, fruit juices and syrups. Sulphur dioxide is a poisonous gas with pungent smell. When ingested, sulphur dioxide and its salts attack the respiratory system and make the individuals who suffer from bronchitis and asthma get worse.

  1. effects Concentration and Temperature on the Rate of Reaction

    Gradient = -1.75 0.00024 = -7291.7 Gradient = -Ea = -7291.7 R R (the gas constant) = 8.31 J K-1 mol-1 The gradient equation can be rearranged as: -Ea = gradient x R = -7291.7 x 8.31 = -60594 Ea = 60594Jmoles-1 This can be converted to kJmoles-1 by dividing

  2. ethanedioate complex of iron

    When the solution was heated to 70?, the thermometer was removed and washed down, and was titrated with the standard, approximately 0.02M solution of permanganate. A pink color was persisting for 30 seconds at the end-point. The resulting solution was kept for the determination of iron in (b).

  1. Deriving a Solubility Curve

    The test tube was immersed in a beaker of boiling water to increase the solubility of the potassium nitrate, so that all of the solute was dissolved. Once the solute was completely dissolved in the solvent, the test tube was removed and cooled.

  2. The Effects of Strong and Weak Acids on the Order of a Reaction.

    effectively and much of the gas escaped before I was able to seal the system. Powder Ribbon Time taken to produce 70cm3 of H2(g) 30 70.6 Before doing an preliminary experiments, my initial time intervals were 10 seconds apart. After doing the preliminary experiments, I found that it was easier

  1. Determination of the solubility of calcium hydroxide

    At the same time making sure the bottom of the meniscus is on the 250cm-3 line. I will then add a rubber bung into the end of the volumetric flask, and shake to mix the hydrochloric acid with the water.

  2. Investigation into the chemist Fritz Haber

    Bunte was especially interested in combustion chemistry also Carl Engler who also worked at the Hochschule introduced Haber to the study of petroleum. Haber's work later on life was immensely influenced by these two colleagues. Finally in 1986 he qualified as a Privatdozent which meant he wanted to become a university professor.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work