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 …
Read more »Newtonian and Non-Newtonian Fluids
That blood is thicker than water is a common saying, and from a physical perspective it is not incor…
The Difference Between Adsorption and Absorption
The two terms adsorption and absorption describe processes that take place at the interface between …
Preparing Solutions in Laboratory Practice
Among the fundamental tasks in a chemical laboratory are the preparation of solutions and the diluti…
Determining AOX Values – Measuring Water Pollution
Sum parameters play an important role in the analysis of water samples from drinking water, surface …
The Concept of Tolerance in Engineering and Manufacturing
The term “tolerance” originates from the Latin word “tolerare”, meaning to e…
Recent Posts
Standard Ground Joints in Chemistry
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 …
Read more »The Hardness of Materials
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, …
Read more »Ventilation Hoses and their Applications
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 …
Read more »Silicon: Properties and Applications
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 – …
Read more »Polyolefins – Properties, Differences and Applications
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 …
Read more »Deionised and Ultrapure Water: Production and Use
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 …
Read more »Natural Rubber – What Is It?
Rubber was already known to the Maya, who used it to produce waterproof containers and elastic balls and to bond shoes. It is obtained by tapping the rubber tree, which …
Read more »Aqua Regia: Applications and Properties
Industrial Applications and Compatible Hose Technology Many people have heard the term aqua regia, but what exactly is this special ‘water’ and what is it made of? The name “aqua …
Read more »Polyurethane: Properties and Applications
What do ski boots, household sponges, mattresses, and insulation panels have in common? All of these products contain the plastic polyurethane. Who Developed PUR? Polyurethane was developed in 1937 by …
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