The CleanTrust surface protein test swab is a ready to use rapid test swab used to detect protein residues on cleaned surfaces. After smearing the surface of the object, if protein is present, the solution will change from green to purple. The faster and darker the colour change, the higher the protein content.

Features:

• Easy to use, no extra reagent needed
• Visual interpretation, no instrument needed
• Quick and stable, results in 1-10 minutes
• Room temperature (20-25°C):
• 80ug after 1 minute
• 50ug after 5 minutes
• 20ug after 10 minutes