Sterilization indicator

Details Sterilization indicator Sterilization indicator

C - Chemistry, Metallurgy

09

K

150/6

C09K 3/00 (2006.01) G01N 31/22 (2006.01)

Patent

CA 1121254

ABSTRACT OF THE DISCLOSURE A novel composition is disclosed which is useful as a sterilization indicator that can distinguish clearly between the types of sterilization employed, e.g., that indicates whether sterilization was accomplished by steam or dry heat. The novel composition comprises (1) thiobarbituric acid and (2) at least one suitable reacting moiety being capable of reacting with said acid under temperature and humidity conditions of steam and dry heat sterilization to form a colored product. Suitable reacting moieties disclosed are (a) parabanic acid and (b) dimethyl oxalate and urea.

343398

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