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Mills in the laboratory: Areas of application

The areas of application for laboratory mills are as diverse as laboratories and production facilities. These electrical devices are used wherever materials, samples and substances need to be crushed, homogenized, mixed and ground. This may be necessary, for example, in preparation for a chemical analysis or for a production step in manufacturing. This is one of the reasons why there are many different types of laboratory mills. The most common areas of application include the following in particular:

• Laboratories

• Industry and production facilities

• research and physical analytical methods

Laboratory grinders - our range at a glance

Not all laboratory grinders are the same - depending on the area of application and requirements, different aspects of the device may be in the foreground, which must be taken into account when purchasing a laboratory grinder. Important selection criteria are, for example, the maximum particle size or sample material, minimum sample quantity, final fineness and standard requirements. The analysis method and the grinding process are also not always the same. In our range at MedSolut, you will therefore find laboratory mills from the following categories:

Analytical mills

Analytical mills belong to the batch mills and can be suitable for several grinding processes, which makes them the ideal companion in many laboratories. An excellent example is the IKA A 11 basic analytical mill for cutting grinding, ultrafine size reduction and impact grinding. The combination of stainless steel inlet and Tefcel grinding bowl enables embrittlement with liquid nitrogen in the grinding chamber, which can replace an additional analysis step.

Jaw crusher

As jaw crushers are cutting mills that are used for fast and efficient pre-crushing and coarse milling. Depending on the design and equipment of the mill, medium-hard, hard, brittle and even tough materials can be processed. In addition, there are numerous safety and performance features for an ideal work supplement in the office. Jaw crushers are also often found on a large industrial scale.

Disposable grinding system

Cross-contamination is one of the biggest enemies of laboratory work, so analysis-neutral and effective preparation is at the top of the list when crushing samples, materials and the like. These criteria can be met particularly easily with a so-called disposable grinding system fulfill these criteria. Corresponding laboratory mills save you cleaning costs and time and achieve a high level of reproducibility. With the disposable grinding systems from the manufacturer IKA, you not only rely on safety and maximum performance, but also receive different vessels for every grinding task.

Ball mill

While most laboratory mills work with a cutting mechanism or a disk mill, the ball mill rely on an impact effect. They are well suited for sample preparation. This is created by friction of the sample between the inner wall of the grinding bowl and precisely fitting grinding balls. This allows both dry and wet samples to be reduced to the finest particle sizes. At the same time, substances can be easily homogenized and mixed with ball mills.

Knife mill

Is a knife mill is a classic cutting mill with robust blades and an integrated rotor. These laboratory mills are particularly widespread in the food industry and are primarily used to homogenize and grind various substances with a high water, oil or fat content. Knife mills impress with their minimal standard deviation, as settings such as grinding parameters, programs and sequences can be individually adjusted.

Operation and design of a lab mill

To ensure that you not only obtain ideal grinding and homogenization results when using a laboratory mill, but also achieve very good reproducibility, a number of precautions should be taken when using the devices. At the same time, it makes sense to familiarize yourself with the most important components so that you can make maximum use of the laboratory grinder.

Mills in the laboratory: the most important components

The design of a laboratory grinder is not always the same - it is primarily influenced by the type of grinder, the specific equipment features and the individual requirements for the respective task. In general, however, it can be said that most laboratory grinders have the following components:

• Motor: The integrated motor functions as the drive of the appliance. The performance of this component determines, for example, the final fineness that can be achieved and whether the lab mill is suitable for hard, brittle and fibrous materials.

• Grinding bowl: The analytical samples, materials and substances to be ground are filled into the grinding bowl. The bowl is therefore quite robust and can be available in different sizes.

• Grinding ball, rotor, mortar or cutter: The type of laboratory mill is determined by the grinding mechanism. This is the component that is responsible for grinding, fineness or homogenization of the filled materials. Cutting units, grinding balls, rotors and mortars are commonly used. Discs and jaws are also used.

• Control panel: The grinder is controlled via the electrical control panel. Most models allow different programs as well as settings for the grinding parameters.

Safe commissioning and operation: what to look out for

Not only the results, but also safety in handling mills is high on the list. You should therefore familiarize yourself with the operating instructions for the respective device before using it for the first time or ensure that your staff have received comprehensive training. The following tips also apply to the use of laboratory mills:

• Observe the hazard class of the medium being processed and ensure that you wear appropriate personal protective clothing when grinding - the liquid can sometimes splash.

• When operating the grinder, keep a sufficient distance so that neither body parts nor clothing or hair can get into the device.

• Only start the laboratory grinder once the material has been loaded and the program has been selected. The mains switch must always be accessible for emergencies.

• Clean the grinding bowl and the grinder before and after each use to prevent cross-contamination.

Safety information

When handling laboratory grinders, remember that they are devices with sharp knife edges or grinders, so you must never reach into the grinder while it is running. Wear personal protective clothing and keep sufficient distance so that no parts of your body, hair or clothing can be caught. Prior training is particularly important.

Discover our laboratory grinder manufacturers

For all your new laboratory grinder needs, there are several manufacturers to choose from, all of whom impress with high-quality workmanship, excellent customer service and a wide range of equipment and accessories. Our range at MedSolut includes mills from the following well-known companies:

IKA

The IKA Group was founded back in 1920 and has been providing individual solutions for your laboratory for many decades - from lab mills and bioreactors to centrifuges and heating plates, the range is extensive. This manufacturer has been particularly successful in the market for disposable grinding systems, which is why you can find these lab mills in our range.

RETSCH

The lab mills from RETSCH are also impressive. The company was founded in 1915 and shortly afterwards was the first manufacturer to apply for a patent for a mortar grinder, which is still known today as the "RETSCH mill". A lot has happened since then, and the company is now one of the innovation leaders in terms of research and development of grinding technology in the laboratory.

Bühler

Bühler is a well-known name in the production of food and foodstuffs. The company specializes in laboratory mills for the production of food and animal feed and is regarded as the absolute market leader in this field. Sustainability is a top priority - Bühler relies on a cooperative innovation concept that is compatible with ecosystems and the environment.

Find the laboratory mill for your needs

Lab mills are an integral part of the equipment used in industry and research, as they are indispensable in comminution and homogenization processes. To ensure that your new laboratory mill meets all requirements, it should be optimally tailored to your needs: Would you like to buy a laboratory mill or do you still have questions? Our highly qualified customer service team at MedSolut will be happy to help you! You can reach us all day by phone on +49 30 209 657 900 or by e-mail at info@medsolut.com. We are already looking forward to advising you!