Chemical technology in action

That blood is thicker than water is a common saying, and from a physical perspective it is not incorrect. However, when measured by its viscosity, blood does not behave according …

The two terms adsorption and absorption describe processes that take place at the interface between two phases. In adsorption, gases or liquids—known as adsorbates—adhere to the surface of a solid …

Among the fundamental tasks in a chemical laboratory are the preparation of solutions and the dilution of existing ones. A solution is defined as a homogeneous mixture of at least …

Sum parameters play an important role in the analysis of water samples from drinking water, surface water, groundwater, and wastewater, as well as sewage sludge. When determining sum parameters, a …

The term “tolerance” originates from the Latin word “tolerare”, meaning to endure, withstand, or bear. In everyday language, it often describes the acceptance of different beliefs, religions, cultures, worldviews, or …

In the chemical laboratory, many standards must be observed, including those for standard ground joints on laboratory apparatus or glass containers. Standard ground joints ensure that glassware and vessels, such …

During surgery, after an accident or in the case of a serious illness such as a COVID infection, mechanical ventilation may be required. Surgical procedures are often performed under general …

Fully demineralised water, also known as deionised, demi-water, demineralised, distilled, or ultrapure water — all look just like regular tap or spring water but contain very few or no foreign …

Shut-off valves are used to regulate or completely block a volume flow. For this purpose, a closing element, also called a closure element or shut-off body, is moved within a …

Screws, Nuts, and Threads – a Brief Overview What do a toothpaste tube, a jar of jam, a water bottle, and a light bulb have in common? A screw connection. …