Science and chemical manufacturing resources
In chemistry, valence (also known as valency) is used to measure how powerful an element is in combining molecules or chemical compounds. The concept was proposed in 1852 by Sir Edward Frankland, who sought to explain why atoms and molecules combine in certain ways. It was later discovered that the valency of an element is directly related to the positions...
When you were a child, you may have dreamt of becoming a scientist or a police detective. Well, you can actually become both if you pursue a career in forensics. Becoming a forensic scientist allows you to help in solving crimes by using scientific methodologies and laboratory techniques.A forensic scientist examines physical evidence and clues that can reconstruct the...
Many of us are familiar with the term ‘contract manufacturing’, but fewer people seem to have heard about toll manufacturing. But exactly what is toll manufacturing and what are the benefits for companies that choose this option? Toll manufacturing is a type of contract manufacturing arrangement in which a client company pays a fee to access a subcontractor's facilities and...
Wondering how to become a cosmetic chemist? You’ll need a degree in chemistry and to go on and work for a cosmetics company. To succeed on this career path requires excellent skills in both organic chemistry and biochemistry, as well as a good foundation in inorganic chemistry. Continue reading to discover what a cosmetic chemist does, and the steps...
Titration is one of the most common types of quantitative analysis performed in chemistry. While several individuals contributed to its development, titration as a method and complete setup is largely credited to the French chemist François Antoine Henri Descroizilles. He created the first burette in 1791 and was the first known chemist to assemble a titration apparatus, although not in...
Glucose is one of the simplest sugars or monosaccharides that serves as the building block of all carbohydrates. It’s also the primary source of energy for every known biological organism. Glucose is typically derived from carbohydrate- and sugar-rich food products such as wheat, rice and cakes. Continue reading to learn more about glucose, how it’s made, and its function in the...
Penicillin was accidentally discovered by Alexander Fleming in 1928 while he was investigating the bacteria Staphylococcus. He observed that the presence of mould could kill or prevent the bacteria from reproducing any further. The fortunate breakthrough was a historical turning point in medicine, paving the way for the widespread use of modern antibiotics. In this article, we'll explore the origins...
Disinfectants kill bacteria and viruses by destroying the cell membrane or protein envelope that surrounds each microbe. Exactly how they do this depends on the specific type of disinfectant that’s applied. Although disinfectants like alcohols, chlorine-based solutions and bleach are chemically different, the way they work is fundamentally the same. Continue reading to learn more about how and why disinfectants...
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