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EN 17126:2018
EN 17126:2018
Quantitative suspension test for the evaluation of sporicidal activity of chemical disinfectants in the medical area
II Phase / I step
Test organisms:
Clostridium difficile NCTC 13366
Bacillus subtilis ATCC 6633
Bacillus cereus CIP 105151

Temperature (°C):
Surface disinfection: between 4 and 30;
Instrument disinfection: between 20 and 70;
Textile disinfection: between 20 and 80.

Contact time (min.):
Surface disinfection: max. 15 or max. 60;
Instrument disinfection: max. 60;
Textile disinfection: max. 60
*or client requirements

Interfering substances:
Clean conditions – bovine albumin 0,3 g/l
Dirty conditions – bovine albumin 3,0 g/l + sheep erythrocytes 3 ml/l

Reduction (lg): ≥ 4,0
The experimental conditions may be selected according to the practical use considered for the product

Chemical disinfectants and antiseptics Phase I tests

Quantitative suspension tests to establish that a product has biocidal activity without regard to specific conditions of intended use.

Chemical disinfectants and antiseptics Phase II / step 1 tests

Quantitative suspension tests to establish that a product has biocidal activity simulating practical conditions appropriate to its intended use.

Chemical disinfectants and antiseptics Phase II / step 2 tests

Quantitative laboratory tests simulating practical conditions e.g. surface, instruments, handwash and handrub tests.

Chemical disinfectants and antiseptics other tests

Other chemical disinfectants and antiseptics tests.