The CleanTrust surface protein
allergen test swab is a ready to use rapid test swab with high sensitivity,
used to detect protein residues on surfaces, and thereby determine if cleaning
has been effective in eliminating proteins, including potentially allergenic
proteins. 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. It is important to note that a residue
may contain a mixture of allergenic and non-allergenic proteins, as well as
non-protein materials.
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