Lesson plan
Creolin
Creolin (which is also called Creolina) is a generic name for disinfectants whose composition varies according to origin. It is extracted from the dry distillation of wood. The residue remaining in the autoclave vessel is a dark, syrupy mass called creosote, which is composed mainly of phenolic acid and cresylic acid. The original composition of creolin is a creosote tar oil, caustic soda, soaps, and very little water. It is of low technology and a very powerful disinfectant.
Article summary
Creolin (which is also called Creolina) is a generic name for disinfectants whose composition varies according to origin. It is extracted from the dry distillation of wood. The residue remaining in the autoclave vessel is a dark, syrupy mass called creosote, which is composed mainly of phenolic acid and cresylic acid. The original composition of creolin is a creosote tar oil, caustic soda, soaps, and very little water. It is of low technology and a very powerful disinfectant.
Key claims
- date of establishment: 1880 — source: Wikipedia · confidence 0.95
- publication date: 1897 — source: Wikipedia · confidence 0.95
Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- The record states that the date of establishment is "1880". What evidence would count against this claim?
- The record states that the publication date is "1897". What evidence would count against this claim?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
- Wikipedia https://en.wikipedia.org/w/index.php?oldid=1364592803
Key claims and bibliography are generated from the same tracked claims and sources as the article page.