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In laboratory environments, substances often need to be free of moisture, samples must be kept dry, or stored under constant humidity conditions. Desiccants for gases, liquids, or solids – as …

Since the second phase of the Industrial Revolution in the 1870s, a modern world without rubber has been almost inconceivable. The material is encountered wherever something must be sealed to …

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 …

The share of plastics used in the medical sector accounts for only around 2 percent of the total volume of plastics produced worldwide. Despite this comparatively low proportion of overall …

Physical processes and chemical reactions often exhibit a significant dependence on temperature. Electrical resistance, as described by Ohm’s law, increases with rising temperature in metallic conductors, whereas it decreases with …

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 …

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 …