School of Materials Science and Technology, Shenyang University of Chemical Technology, Shenyang 110142, Liaoning Province, China Beijing Key Laboratory of Materials Utilization of Nonmetallic ...

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Calcium carbonate (CaCO3) is used in everything from agriculture to pharmaceuticals, but the most common way of manufacturing this everyday chemical presents a tricky measurement challenge ...

Prime Minister Mark Carney's new cabinet is expected to be larger than his first, but could include a tiered structure with a secondary ring of ministers. Rideau Hall announced Friday that Carney ...

Happy Friday! You may have noticed there was no Pentagon Rundown last week. That’s because I was at the Modern Day Marine exhibition in Washington, D.C., writing about various topics, including ...

“The fire is under control, but the structure of the premises is assessed to be unstable,” it said. In its final update at around 11.10am on May 10, SCDF said the flames have been extinguished.

We present the use of silica-supported ionic liquids as catalysts for the continuous production of propylene carbonate from propylene oxide using supercritical carbon dioxide as solvent and reagent.

It provides 500 mg (38 percent of the DV) of calcium from calcium carbonate in each one-tablet serving. Calcium carbonate is inexpensive, but it needs to be taken with a meal for optimal absorption.

“They called us out to evaluate the situation, they deemed that the structure was unsafe and needed to be restabilize, so at that point we assisted with evacuating the building, getting all of ...

Lucobit (Wesseling, Germany; www.lucobit.de) has developed compounds containing 80% calcium carbonate (CaCO₃). According to the company, the material can be processed into films with up to 70% CaCO₃ ...