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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 …

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 …

Knowledge of a material’s hardness is indispensable for its proper application. In response to this need, hardness testing methods were developed, particularly over the course of the last century. However, …

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 …

Without silicon, our modern daily life would look entirely different. It is found in every microchip but also in baking moulds, lubricants, cosmetics, and plastics: the element silicon. Silicon – …

The term polyolefins refers to polymers produced from alkenes such as ethene, propene, butene, 2-methylpropene, and 4-methyl-1-pentene. Polyolefins are saturated hydrocarbons characterized by low density, good chemical resistance, low water …

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 …