https://www.selleckchem.com/pr....oducts/congo-red.htm
This study used a formaldehyde detector tube with a gas-piston hand pump to assess ceiling levels of student breathing zone and gross laboratory environment across the 2018 academic year. The room dimension was 28.6 × 55.48 × 5.5 m. It contained 90 cadavers, each placed on a hinged cover table. We measured before and during nine body region dissections. There was a significant difference (p less then 0.01) between student exposure and laboratory environment levels. The highest level was student exposure during body wall dissection (
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