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Why are water treatment systems needed in the laboratory?

Water treatment in the laboratory is of great importance in many areas. Discover innovative, high-quality solutions for water treatment in the laboratory in the MedSolut portfolio. Feel free to contact us if you have any technical questions and would like more information.

Sterile laboratory water

Wherever cell cultures are used in laboratories, clinics and other facilities, sterile laboratory water should be used. Sterile laboratory water is also an essential companion in areas where yeasts or other microbiological applications are handled. Order your laboratory water treatment products directly from MedSolut.com, such as functional membrane filters with hollow fibre technology.

Bacteria-free water in the analytical laboratory

Whether in the production of pharmaceuticals, in analytical laboratories or in biotechnology, so-called endotoxin-free water is used everywhere. Endotoxins are the decay products of bacteria.

They can make people ill, trigger allergic reactions or even alter the measurement results in the laboratory. Systems and solutions for water treatment, for example with special microfilters, keep bacteria at bay and thus ensure reliable protection.

For pure water without germs

In the field of biotechnology as well as in chemical and medical areas, systems for ultra-pure water treatment are indispensable. When water is stored for a longer period of time, microbial colonisation or biofilm usually occurs.

These are particularly measurable in pipe systems, outlets and tanks. To eliminate such germ reservoirs, individual solutions for water treatment are required. We will show you the most efficient ideas and possibilities.

Water treatment systems our range at a glance

We have the right solutions for laboratory water treatment for every need and every requirement. Whether you are looking for decalcification systems or pure or ultrapure water systems, we will be happy to help you put together your new portfolio. Discover our high-quality offers:

Decalcification systems

MedSolut.co offers top quality descaling and double dehydration systems. The sustainable performance and excellent user comfort that a decalcification system offers you in your laboratory and institute work are consistently convincing. We will be happy to take the time to advise you individually and in detail.

Pure and ultrapure water systems

At MedSolut.com you will find the optimal ultrapure water system, which is of fundamental importance with regard to bacteriological or medical sample preparation. MedSolut.com also has suitable pure water systems for the preparation of tissue and cell cultures as well as for the production of ointments and reagents.

The sustainable performance and easy handling will convince you! All organic substances are eliminated from the water and anions and cations are removed.

Processes for water treatment in the laboratory

The functional systems for laboratory water treatment are excellently thought out and provide valuable assistance in a wide variety of areas. We will be pleased to show you the proven methods for water treatment in the laboratory:

Reverse osmosis

Reverse osmosis allows you to generate drinking water that is almost 100 per cent pure. All pollutants such as pesticides, hormones, bacteria, nitrates, germs and much more are removed. The raw water is pressed against a synthetic, semipermeable membrane. Water passes through, but the substances it contains do not.

By exerting pressure, the salt content of the remaining concentrate rises and the osmotic pressure increases. In the course of this, impurities are flushed away and only clean water arrives on the other side of the membrane.

Distillation

The term distillation comes from Latin and means to trickle down (from distillare). The distillation process is a thermal separation process used to separate liquid mixtures from each other. When water is distilled, it is brought to boiling point. The resulting steam is collected in a condenser. This condensate is the purified water, which is free of minerals, salts and other substances as a result of the thermal treatment.

Ion exchange

Ion exchangers are systems for water treatment in the laboratory, the inside of which is filled with resin beads. These eliminate iron, manganese, calcium and magnesium ions, which are then replaced by sodium ions. Ion exchangers are only operated with a pump and are particularly energy-saving.

UV filtration

In UV filtration, bacteria, germs and other harmful substances are destroyed by UV light. These UV lamps are installed in the consumption pipes and purification takes place as soon as the substances contained in the water pass through them.

Classification of pure and ultrapure water by type

The modern systems for water purification in the laboratory comply with the industry standards according to ASTM D11931 type 1 ISO 3696 type 1 as well as the CLSI-CLRW guideline. They therefore deliver ultra-pure water of excellent quality. Water can be classified into purity grades based on the content of different substances. Pure water has long been used not only in industry, but also increasingly in everyday life.

  • Pure water is the water that you receive after water treatment in the laboratory. You can use it as drinking water and enjoy it without further ado.
  • Ultrapure water, on the other hand, is used for the production of medicines, for the production of injection fluids, in chemical analysis and in medical research.

Pure water becomes ultrapure water

Multiple distillation makes it possible to remove as many foreign substances as possible from the water. The higher the number of distillation processes, the higher the purity of the water. The purity of the water can also be determined by determining the electrical conductivity.

In general, ultrapure water is produced in two steps. First, the water is demineralised by membrane filtration or in an ion exchanger. The aim is to achieve a conductivity of 10 S/cm. Subsequently, further processes are used to process the demineralised water into ultrapure water. In most cases, the focus is on the use of a high-throughput mixing bed or electrical de-ionisation.

Categorisation of water qualities by type:

Based on the applicable standard ISO 3696:1987, a distinction is made between three degrees of water purity. The categorisation is based on the following parameters:

  • the pH value at 25 C (water with a pH value of 5.0 to 7.0 belongs to the category grade 3)
  • conductivity (S/cm at 25 C): grade 1 is assigned the value 0.1, grade 2 is assigned the value 1.0 and grade 3 is assigned the value 5.0
  • Oxidisable matter, oxygen content (mg/l, max): Grade 1 is non-existent, grade 2 is assigned the value 0.08 and grade 3 is assigned the value 0.4.
  • Absorption at 254 nm and a length of 1 cm (absorption units, max.): For grade 1 the value is 0.001, for grade 2 it is 0.01 and grade 3 does not occur.
  • Residue after evaporation when heated to 110 C (mg/kg, max.): No value is recorded for grade 1, for grade 2 the value is 1 and for grade 3 the value is 2.
  • Silicon content (mg/l, max.): For grade 1 the value is 0.01, for grade 2 the value is 0.02 and the value for grade 3 does not exist.

Setting up water treatment in the laboratory what needs to be considered?

In laboratories, in the field of medical technology, in clinics and medical practices, the requirements for pure water are high. The possibilities and technologies for water treatment in the laboratory are extremely complex. We will be happy to find out together with you which solution is best for you. You should consider the following when planning water treatment concepts in your laboratory:

For which applications do you need a water treatment system?

Whether for the supply of clean rooms, for the supply of ultrapure water systems as well as for selected laboratory applications, pay attention to tailor-made technologies that fully meet your requirements.

What about the quality of the water at your site?

Depending on how and with what the water is contaminated, specific solutions are required. This is the only way to be sure that you really get the water quality that is suitable for your work.

Do you need a centralised or decentralised water treatment system?

Whether a centralised or decentralised system makes sense depends, among other things, on the water demand and the condition of the pipes in your laboratory or company. In general, it is helpful to have information about the local conditions at hand in order to be able to plan efficiently and at the same time save costs.

What are the requirements, guidelines and legislation in your laboratory?

Official regulations and laws must be taken into account in order to optimally plan a system for water treatment in the laboratory. Talk to us. We will be happy to assist you in the targeted selection of suitable solutions.

Laboratory water treatment: We support you in planning!

Our competent team of experts is at your disposal for all questions regarding the planning and conceptual design of your laboratory water treatment system. Our experienced technicians are very familiar with this complex subject and can also help you with legal matters.

Do you have further questions about water treatment in the laboratory?

We look forward to providing you with individual advice and support when it comes to professional water treatment in the laboratory. Feel free to contact us today by phone at +49 30 209 657 900 or by e-mail at [email protected]