A chemist’s guide to disinfectants - Chemical & Engineering News
网页2020年5月1日 · Hydrogen. peroxide. NaClO. Bleach. (sodium hypochlorite) How they work. By denaturing a virus’s proteins, disrupting its lipid envelope, and oxidizing sulfur bonds in proteins, enzymes, and ...
What did we learn from the Deepwater Horizon disaster?
网页2020年9月13日 · Sept. 19 marks 10 years since retired US Coast Guard Admiral Thad Allen, the national incident commander in charge of the Deepwater Horizon response, announced that the spill was over. Although ...
C&EN’s top 50 US chemical producers for 2022
网页2022年5月9日 · The top 50 companies combined for $333.6 billion in chemical sales, a 34.9% increase over what the same companies posted in 2020. And the sales figure exactly matches the record for C&EN's ranking ...
What’s in sunscreen, and how does it protect your skin from the …
网页2021年7月21日 · The active ingredients in sunscreens protect our skin by either absorbing or reflecting UV light. Currently, 16 sun-filtering ingredients are approved by the FDA. But sunscreen makers in the US ...
About Us | C&EN - American Chemical Society
网页C&EN has been published by the American Chemical Society since 1923. Our beloved weekly print magazine is still going strong. And with our suite of digital offerings, you can now get our chemistry ...
As nuclear waste piles up, scientists seek the best long-term …
网页2020年3月30日 · Scientists are studying glass samples to understand long-term corrosion of vitrified nuclear waste. These micrographs show the results of accelerated aging tests on two types of aluminosilicate ...
C&EN’s Global Top 50 chemical firms for 2022
网页2022年7月24日 · Hengyi Petrochemical2021 chemical sales: $8.9 billion. This is the first year in the Global Top 50 for Hengyi Petrochemical, a Chinese firm that primarily makes polyester and nylon 6. Hengyi ...
C&EN’s top 50 US chemical producers for 2021
网页2021年5月10日 · Avient2021 chemical sales: $1.5 billion. Avient is a new name for an old company, PolyOne. The company made the change last July, when it closed its purchase of Clariant's masterbatch business for ...
Do we know enough about the safety of quat disinfectants?
网页2020年8月2日 · The key to minimizing these negative effects, Hostetler says, is to use quat disinfectants as directed. The compounds pose their biggest risks when they get on the skin, he points out, but only ...
C&EN’s favorite chemical splash goggles to wear in the lab
网页2020年8月28日 · All the goggles we tested. Front to back: Uvex Flex Seal, KleenGuard Monogoggle, Uvex Stealth, Pyramex V2G-Plus, HexArmor LT300, and Haber Liquidator. If you work in a lab that uses chemicals ...