title: Potential hazard associated with scraping preparative thin layer chromatography plates.
abstract: Scraping TLC plates in a hood leads to contamination of the hood, equipment, worker, and the environment. The magnitude of contamination is presented as a fraction of the chemical delivered, and the effects of plate thickness, dryness, and adsorbent material are examined. Frequent clean-up and decontamination are recommended.
mesh_terms: D000336:Aerosols; D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D002855:Chromatography, Thin Layer / Q000295:instrumentation*; D009787:Occupational Medicine; D011481:Protective Clothing; D011482:Protective Devices
chemical_list: D000336:Aerosols; D000393:Air Pollutants; D000395:Air Pollutants, Occupational