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Water guide 2 PURE LABWATER GUIDE An essential overview of lab water puri ?cation applications monitoring and standards CTHE PURE LABWATER GUIDE Introduction Contents Introduction - Research and analysis applications - Clinical diagnostics - Healthcare -

PURE LABWATER GUIDE An essential overview of lab water puri ?cation applications monitoring and standards CTHE PURE LABWATER GUIDE Introduction Contents Introduction - Research and analysis applications - Clinical diagnostics - Healthcare - Water puri ?cation overview - Glossary - The Pure LabWater Guide is an essential resource for individuals who use pure water or wish to learn more about the subject Providing an overview of water puri ?cation requirements techniques and applications in science and medicine this educational guide will enable you to choose the correct grade of water and most reliable method of production at an economical cost to both your budget and the environment Challenges impurities and variations in drinking water Water for most laboratory and clinical applications is usually puri ?ed from drinking water However the unique ability Cof water to dissolve to some extent virtually every chemical compound and support practically every form of life means that drinking water supplies contain many substances in solution or suspension additional impurities are derived during the drinking water puri ?cation process Furthermore unlike other raw materials drinking water may vary signi ?cantly in purity both from one geographical region to another and from season to season In today ? s laboratories the availability of pure water is essential and while domestic consumers consider tap water to be ??pure ? laboratory scientists and healthcare professionals regard it as highly contaminated Analytical and experimental scientists are concerned with elements and compounds at concentrations in the parts per billion ppb range or lower as many of these contaminants can have a negative e ?ect on applications through their interaction with other substances including the substance under analysis There are classes of impurities found in natural and drinking water ? Suspended particles ? Dissolved inorganic compounds ? Dissolved organic compounds ? Microorganisms biomolecules ? Dissolved gases The overall objective of water puri ?cation methods for scienti ?c and medical applications is to remove drinking water impurities while minimising additional contamination from puri ?cation system components and bacterial growth - ??Pure water is the most common substance that underpins a vast number of diverse scienti ?c and medical applications ?? its importance should never be undervalued ? How to use this guide This guide is written by ELGA and is based on more than years ? experience dedicated solely to the research design manufacture and installation of water puri ?cation systems The comprehensive Pure LabWater Guide is an amalgamation of our original Pure LabWater Guide and Pure Clinical LabWater Guide ?rst published in and respectively In addition to providing updates in the ?eld of water puri ?cation i e new water puri ?cation technologies additional applications and revised standards the guide has been designed so that the information you require can be more easily accessed Throughout this guide you will see hints and tips and ??Pure Facts ? about water puri ?cation with diagrams that summarise important technologies systems and processes A glossary is provided at the back so that you can simultaneously