Dependence of the disinfection level on the ethanol concentration

LB6.1.4.7
Dependence of the disinfection level on the ethanol concentration
Dependence of the disinfection level on the ethanol concentration

Description

The students test the antibacterial effect of ethanol solutions with different concentrations. They incubate agar plates with different concentration levels and recognise that ethanol only has a disinfectant effect from a concentration of 60 %.

Components of equipment sets

1 6719720  4 
Ethanol, denaturated, 1 l LD
GHS02GHS07 Danger H225 H319
3 664183  4 
Petri dish, 100 x 20 mm, glass LD
1 667057  4 
Test tube rack metal, 20 mm Ø LD
4 6640421  4 
Test tube Fiolax 16 mm x 160 mm LD
1 665994  4 
Graduated pipette 1 ml LD
1 666003  4 
Pipetting ball (Peleus ball) LD
1 665997  4 
Graduated pipette 10 ml LD
1 6659531  4 
Dropping pipette 150 mm x 7 mm Ø LD
1 6659541  8 
Rubber bulb LD
1 662334  4 
Drigalski spatula, glass LD
1 667027  4 
Tweezers, blunt, 130 mm LD
1 30945  4 
Universal pencil LD
1 602022  4 
Beaker Boro 3.3, 100 ml, squat LD
1 661035  8 
Round filter, Type 595, 125 mm Ø, Set of 100 LD
1 610010  8 
Laboratory safety goggles LD
1 6667031  8 
Teclu burner, propane LD
Print page

Contact Us

Technical Service & Support:

Online Service Portal
Do you have any questions or suggestions regarding our devices, products, experiments, equipment sets or about our software? You need spare parts? FORM

Repair Service
You would like to register a repair? FORM

Europe
For European distributors, please visit: European distributors
Worldwide requests
Please contact us per email: sales@ld-didactic.de

 Click here for our contact form and postal address.

Contact Us