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Deionised Water Uses
Deionised water is water that has had almost all of its mineral ions removed, including calcium, sodium, iron, copper and chloride. It is often confused with demineralised water, which is water that has had all of its minerals and contaminants removed. Deionised water is used regularly in laboratory and pharmaceutical environments to prepare chemicals and mixtures or test certain substances for specific compounds.
Its other uses include:
- In acid and alkaline batteries
- Flushing and topping up car cooling systems
- In household detergents
- In perfumes and other cosmetics.
Although deionised water has had most of its ions removed, it still isn’t cannot be classed as entirely pure. Our demineralised and ultrapure waters are recommended alternatives for when higher grade water is required.
Other names for deionised water include DI Water, de-ionised Water and purified water.
Production & Testing of Deionised Water
We make deionised water using a several step filter process. We first use an organic trap, where a special resin removes most of the organic matter. The water then passes through a twin-bed deionizer, where one anionic tank removes the cat ions whilst the other cationic tank removes the An ions. By now, the maximum level of impurities in the water is 10 µS/cm – already much lower than traditional distilled water. At this point, the water is can be called deionised.
To further reduce impurities, the water is then passed through a mixed bed resin, where impurities are reduced to > 0.05 µS/cm. The deionized water is given ultraviolet treatment, passing through a strong UV light to kill any remaining micro-organisms. Finally, the water moves through a 0.2 micron filter. After the final stage, the water is “Ultrapure water” – this can be purchased from us here.
Buy Deionised Water Online
Reagent are trusted UK suppliers of deionised water with over 30 years of experience in the handling and distribution of chemicals. Buy in 25L containers, 1000L IBCs or bulk tankers, or contact us to talk about your bespoke requirements. Orders can be placed online or by phone.
Deionised water is the lowest quality water we use. For many of the chemical solutions and chemical reagents we manufacture, we tend to use ultrapure water. If you have questions about which water is best suited for your needs, don’t hesitate to give us a call.
|880||1||1.114||H₂O||0||0||0||M.W. 18.01||24/11/2017||Darren Wilson||04/01/2017||0||24/11/2017|
|3.624||4||1.114||pH @ 20°C||5||8||5 - 8||25/11/2017||Darren Wilson||05/06/2017||0||24/11/2017|
|3.417||5||1.114||Conductivity can increase on storage as CO2 can be absored.||0||0||0||24/11/2017||Steve Toye||15/03/2017||0||24/11/2017|
The following files are available to download:
|Product ID||Product||post_status||Bulk||Download SDS File|
|3815||Deionised Water||publish||1114||https://www.chemicals.co.uk/uploads/documents/44 - 1114 - SDS11769.pdf|
Please note: we only deliver to registered UK businesses at non-residential addresses with a minimum order value of £100 before VAT
We only supply to mainland UK, contact us on 0800 990 3258 for rates to Ireland.
Please notify us if you have specific delivery requirements such as restricted access, requirement for a tail-lift delivery vehicle or pallet truck. Failure to notify us of a special delivery instructions can incur additional charges from our carriers.
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