Tag

Solvent

All articles tagged with #solvent

Revolutionary Theory Redefines Crystal Formation in Chemistry
science1 year ago

Revolutionary Theory Redefines Crystal Formation in Chemistry

A new theory in crystallization suggests that the solvent, rather than the solute, plays the primary role in crystal formation. This challenges traditional views and has implications for fields like medicine and technology. The theory, developed by James Martin, describes crystallization as a two-step process involving a melt-like intermediate that organizes into a crystal structure. This approach could improve predictions of crystal growth and help in applications such as drug development and preventing kidney stones.

"Biden Administration Proposes Sweeping Ban on Cancer-Causing Solvent TCE"
health-and-environment2 years ago

"Biden Administration Proposes Sweeping Ban on Cancer-Causing Solvent TCE"

The Biden administration has proposed a ban on trichloroethylene (TCE), an industrial solvent used in various products, due to its link to cancer and other health effects. The proposed ban goes beyond the Obama-era plan by prohibiting all uses of TCE. The Environmental Protection Agency (EPA) stated that safer alternatives exist for most TCE uses. TCE has been found in drinking water across the country and has been associated with liver, kidney, immune system, and central nervous system effects. The American Chemistry Council, representing chemical manufacturers, believes the proposed rule is inconsistent with the science. The EPA is accepting public comments on the proposed rule for 45 days before finalization.

BNA Concourse Evacuated Twice in One Week Due to Airborne Disturbances
safety2 years ago

BNA Concourse Evacuated Twice in One Week Due to Airborne Disturbances

A noxious odor from a solvent caused the evacuation of a concourse at Nashville International Airport. The fire department conducted air quality testing and determined there were no air contaminants. The solvent was identified as Butoxyethyl Acetate, commonly used in lacquers, varnishes, enamels, and resins. The concourse has since reopened, but flights were delayed or canceled. The FAA issued a ground stop to help the airport return to normal operations safely.