About the author

Homar Murillo

Science Writer

Homar has a Masters degree in Environmental Science & Biochemistry and five years’ experience as a chemistry teacher. His extensive experience has made him a top science and manufacturing writer for ReAgent since 2020. He is a father of three beautiful children and is currently obsessed with the youngest, baby Barbara.
Scientist examining a spectroscopy picture in a lab||The density equation||The structural formula of butane||The structural formula of ethylene||The skeletal formula of ibuprofen||The skeletal formula of escitalopram antidepressant||Various glasses of different types of alcohol||Titration is mainly used for neutralisation reactions

What is Chemical Composition in Chemistry?

Introduction to Chemical Composition  Understanding chemical composition is fundamental to many fields of science and engineering, as knowing the chemical composition allows us to predict how substances will interact with each other, which is vital in creating new materials, medicines,

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Paper with the word precursor written on it

What Is A Precursor In Chemistry?

A chemical precursor is a reactant that precedes your desired chemical reaction. It serves as the starting point for the chemical products derived from it.  The term precursor also specifically refers to a chemical compound that precedes a metabolic pathway

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What Is A Reagent?||shutterstock_1725049960||What Are Some Examples Of Reagents?

What Is A Reagent?

If you’ve ever used a pregnancy test, a blood glucose test kit, or a coronavirus rapid test kit at home, then you’ve already used reagents. Technically, the reagent that you use in home test kits are your own body fluids.

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Interior of one of the biggest chemical manufacturing companies

10 Biggest Chemical Blending Companies Worldwide

The process of chemical blending involves mixing two or more different chemicals without producing a chemical reaction.  Most chemicals produced globally by blending are cosmetic products like lipsticks, consumer products such as latex paints, and foodstuffs like canned goods. Read

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Bacteria and germs on vegetables under magnifying glass||Farmer in protective clothes spraying pesticides onto fruit trees||Injection of antibiotic into raw meat

What is a Chemical Hazard in Food?

A chemical hazard in food is when food gets contaminated with pathogens or toxic chemicals, making it no longer suitable or safe to eat. Several food additives, such as chemical preservatives, can be hazardous at high levels. Even some chemicals

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Oil refinery

10 Biggest Chemical Manufacturing Companies Worldwide

Just like all manufacturing industries, chemical manufacturing companies can be ranked based on their gross annual revenues.  Most of these companies focus on manufacturing a particular category of chemicals, such as specialty chemicals (e.g. industrial gases, adhesives, sealants, and chemical

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Scientist using a fume hood in a chemistry lab

Top 10 Industrial Chemicals Used Worldwide

The chemical manufacturing industry is a key global industry that encompasses many thousands of companies producing a wide range of products, from laboratory analytical reagents, solvents, and custom-made chemicals to pharmaceuticals.  This industry supplies virtually all manufacturing companies, which use

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Periodic table and test tubes

Top 10 Chemicals Used In The UK

The chemicals that are most commonly used in the UK are consumer-use chemicals.  These include things like household cleaning agents, cosmetics, hygiene products, and medicines.  There are also some common chemicals used on an industrial scale, such as hydrochloric acid.

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