Sentence examples for class of chemicals from inspiring English sources

"Organophosphates are a World War II class of chemicals," she said.

Phosphates are another potentially harmful class of chemicals that cause exponential growth of algae.

These days there is also growing evidence linking this class of chemicals to problems in humans.

The very phrase "organic molecule" implied, especially then, a class of chemicals uniquely of biological origin.

Endocrine disruptors are a class of chemicals that mimic hormones and therefore confuse the body.

The grassy, gooseberry quality of sauvignon blanc, for instance, comes from a class of chemicals called methoxypyrazines.

Concern is also mounting over a class of chemicals widely used in refrigerants and air-conditioning units.

The oil contained polychlorinated biphenyls (PCBs), a class of chemicals so toxic that Congress banned their production the following year.

These days, Dr. Markowitz said, the agency's exterminators were using mostly pyrethroids, a less toxic class of chemicals.

Gulf War syndrome is believed to be caused by exposure to a class of chemicals known as anticholinesterases.

The common ingredients in these products are phthalates, a class of chemicals added to PVC to make plastic flexible.