The Biuret test

LC5.3.2.1
The Biuret test
The Biuret test

Description

In this experiment the students get to know a chemical detection for proteins. For this purpose, different samples are mixed with Biuret solution. The students realise that a positive detection is indicated by a violet colouring of the sample. This is caused by a complex formation of the copper ions with the peptide bonds.

Components of equipment sets

1 672 6710  4 
Potassium sodium tartrate, 250 g LD
1 672 9600  4 
Copper(II) sulfate-5-hydrate, 100 g LD
GHS09GHS05GHS07 Danger H302 H318 H400 H410
1 673 8400  4 
Sodium hydroxide solution, diluted, aprox. 2 M, 500 ml LD
GHS05 Danger H314 H290
1 673 5700  4 
Sodium chloride, 250 g LD
1 675 3410  4 
Water, pure, 5 l LD
1 309 45  4 
Universal pencil LD
2 665 9531  4 
Dropping pipette 150 mm x 7 mm Ø LD
2 665 9541  8 
Dropper bulb LD
1 604 5682  4 
Powder spatula, steel, 185 mm LD
1 667 057  4 
Test tube rack metal, 20 mm Ø LD
3 664 0421  4 
Test tube Fiolax 16 mm x 160 mm LD
3 667 253  4 
Rubber stopper solid, 14...18 mm Ø LD
1 610 010  8 
Laboratory safety goggles LD
1 667 609  4 
Safety gloves, nitrile rubber, size 8 LD
1 673 8400  4 
Sodium hydroxide solution, diluted, aprox. 2 M, 500 ml LD
GHS05 Danger H314 H290
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