perchlorethylene การใช้

• Independent tests by Merzer showed her Doritos contained perchlorethylene, a degreasing solvent and possible carcinogen.
• In the early days of dry cleaning, large amounts of perchlorethylene were vented to the atmosphere because it was regarded as cheap and believed to be harmless.
• R . Bradley Lienhart, the company's chief executive, who formerly oversaw production of perchlorethylene at Dow Chemical Corp ., said that MiCell would have its first prototype ready by the end of the year.
• For textiles that cannot be cleaned with water ( such as textiles with water-soluble dyes ), dry cleaning using organic solvents, such as perchlorethylene or trichlorethylene, or petroleum solvents, such as white spirits, is recommended.
• For the last six weeks, Jeffrey L . Battiston, the owner of a dry cleaning chain in West Hartford, Conn ., has secretly been testing what could be the Holy Grail of his industry : a substitute for the toxic but commonly used cleaning solvent perchlorethylene that he said is harmless to the environment, nonflammable and cleans just as well as perc.
• A statement signed by the company's president said, for example, that the Song of America, one of the ships, visited the Port of New York weekly in the summer and fall of 1994 and 1995, and drained about 50 gallons each week from the photo labs, including silver nitrate, which is toxic, and 20 gallons a month from the dry-cleaning shop, including perchlorethylene, which is also toxic.