Study on germicidal efficacy and clinical use of orthophthalal dhyde disinfectant / 医学研究生学报

Objective: In order to kuow the germicidal efficacy of orthophthalaldhyde. Methods: Carrier quantitative germicidal test and clinical use study. Results: the showed that 23℃,the average killing ratc after exposure to the stock solution of orthophthalaldhyde disinfectant for 90 min was 100% of Bacillus Subtitis Var.niger on carriers and for 10 min contact time could destroy completely the antigenicity of serum HBsAg,and for 5 min was 100% of bacteria. Incontinuous use for 10 days ,immersion in for 14 days it was no corrosion of carben steel and stainless steel apparatus, and no irritative to skin and mucous membrane. Conclusion: Orthophthalaldhyde has good germicidal efficacy and belongs actually no corrosion and no irritative disinfectant.