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Even the well-known can sometimes surprise. Calcium carbonate (CaCO3), also known colloquially as lime or chalk, is a mineral that has already been thoroughly analysed by chemists. But chemistry books, in which it is listed as occurring in five different crystal structures, now need to be augmented, more
Fillers do not only make numerous products cheaper, often, they also greatly improve the properties of the filled materials. The market research company Ceresana analyzes the complete market for fillers for the fifth time already: Worldwide demand for ground calcium carbonate (GCC), precipitated cal more
Pearls are among nature's most beautiful creations, and have been treasured for countless centuries. Beneath one's iridescent surface lies a tough and resilient structure made of intricately arranged tiles of calcium carbonate organized by a crew of proteins that guide its formation and repair. Whil more
We take for granted the water that comes out of the taps in our home when we turn them on – but a lot of work goes into getting it there. Chemistry, too, has a hand in making sure that the water is safe to drink. Here, we take a look at the water treatment process, and in particular the chemicals us more
As the chemistry of chocolate is a topic that’s been pretty much exhausted on the site (see here, here, here, here, and here), for the Easter weekend we’re instead homing in on the ‘egg’ side of Easter Eggs. For such a simple staple of the kitchen, the chemistry of eggs is surprisingly complex. Here more
Limescale is a substance you’ve undoubtedly encountered, be it clogging up your kettle, or building up on your bathroom surfaces. But how does it get there in the first place, and how do limescale removers work to get rid of it? Those are the questions this graphic aims to answer. more
Amorphous calcium carbonate (ACC) is commonly found in many biological materials. As ACC readily crystallizes into calcite, stabilizers, such as anions, cations or macromolecules often occur to avoid or delay unwanted crystallization. In biogenic ACC, magnesium is commonly present as one of the stab more
The effects of calcein, a fluorescent marker commonly used to assess mineral growth in calcifying organism, on calcite and aragonite structure have been investigated. Calcein is entrapped within calcite and aragonite and modifies the shape and morphology of both polymorphs. Moreover, in the presence more
Materials, Vol. 11, Pages 1055: Effect of Laser Speed on Cutting Characteristics of Cement-Based Materials Materials doi: 10.3390/ma11071055 Authors: Dongkyoung Lee Youngjin Seo Sukhoon Pyo The results of an experimental investigation on the physical and chemical characteristics o more
Calcium carbonate Calcium carbonate is a chemical compound , with the chemical formula Ca C O 3. It is a common substance found as rock in all parts of the world, and is the main component of shells of marine organisms , snail s, and eggshell ... more
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