A useful portable swab system for the microbiological sampling of equipment and containers. Individually wrapped screw-cap plastic tubes come pre-filled with 10 mL of a sterile neutralizing buffer solution and a sterile 6” non-toxic rayon swab. Buffered rinse solution contains neutralizers to inhibit false-negative results of most sanitizing chemical residues, see specifications below.

Specifications

Neutralizer	Activity
Tween® 80	QACs, biguanides, phenolics, iodine
lecithin	QACs, biguanides
sodium thiosulfate	bleach
sodium thioglycollate	mecuric compounds
sodium disulphite	aldehyde disinfectant