| abstract |
Disinfectant composition, the DOLLAR A a) one or more microbicidal active ingredient (s) and DOLLAR A b) one or more UV-A tracers selected from benzophenone and its derivatives, anthranilic acid and its derivatives, pyrazoline and its derivatives, benzimidazole and its derivatives and triazine and its derivatives, and DOLLAR A optionally includes other auxiliaries and / or solvents / solubilizers; and DOLLAR A method for determining the concentration of microbicidal active ingredients in disinfectants, in particular for determining the degree of dilution of disinfectants, in which a UV-A tracer is used together with the active ingredient and the UV-A tracer concentration is determined by absorption spectrophotometry. |