Distilled or Deionized Water
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When choosing between Distilled or Deionized Water, it is important to understand that they are two different products. Although both are waters of the highest quality, the actual process of water distillation differs from that of water deionization. There are a number of factors which you should take into consideration when deciding to purchase Distilled or Deionized Water.
Distilled Water is produced by heating water in a vessel until steam or water vapour appears. This water vapour is collected in a separate container, cooled and condensed, to produce a resultant liquid known as Distilled Water. This process is entirely ‘natural’ and does not rely on the use of chemicals or additives. Indeed, distillation is the oldest method of producing ‘pure’ water with almost no trace elements, metals or minerals. This is essential in certain applications.
On the other hand, Deionized Water is produced by means of passing water through a bed of porous ion exchange resins, tiny beads which enable the positive and negative ions to be neutralised. This produces Deionized Water.
When considering whether your requirement is for Distilled or Deionized Water, most specialist water companies will be able to offer advice as to which is the most suitable for your specific application. Sometimes, Distilled or Deionized Water can be used for the same applications in which case Deionized Water is usually preferred as it is cheaper to produce and therefore cheaper to purchase. However, a reputable specialist water supplier or chemical supplier specialising in the production of high quality water will be able to advise accordingly and this can save considerable time and money.
It is important to purchase Distilled or Deionized Water from a reputable company so that the quality of the product is not in jeopardy. Some companies work in accordance with certain quality accreditations and this will help to guarantee the quality of the finished product. ISO 9001:2000 is one Quality Management System to which many reputable companies adhere. Purchasing from such a company, you can be confident of the quality of product and the way in which it is manufactured, packed, labelled and transported.
Another accreditation to look out for is the Environmental Standard ISO 14000 which means that the companies with this accreditation are working in the best possible way for the benefit of the environment. This is particularly important nowadays in these times of increased environmental awareness and many customers actively seek out a supplier with ‘green’ credentials.
Whether you are buying Distilled or Deionized Water, both products are widely available in a variety of pack sizes from 1 litre, 5 litre, 25 litres up to 1,000 litre Intermediate Bulk Containers or IBC’s for short. The latter offer good value-for-money for those customers who require large volumes of Distilled or Deionized Water. Your water specialist will be pleased to discuss your individual requirements to ensure that you are buying the right product for the job, be it Distilled or Deionized Water.
Synonyms for Deionized Water include Deionised Water (spelt with a letter ‘s’), Demineralized Water, Demineralised Water (spelt with a letter ‘s’), DI Water, DIW and Demin Water. All these names refer to the same material.
http://www.deionized-water.co.uk/distilled-or-deionized-water | Saved Friday, November 18th, 2011 - 4:30 AM