Dey/Engley (D/E) Neutralising Broth, Polypropylene Universal

Medium used for environmental sampling where the neutralisation of the chemical is required to determine its bactericidal or bacteriostatic activity


Container Plastic universal
Available fill size(s) (ml) 9
Neck width (mm) 24
Caps PP
Shelf life 12 months
Storage Temp 2-8oC
Appearance Opaque violet liquid
Recommended Incubation 25 - 37oC
pH 7.7 +/-0.3

Quality Control

Organisms Ref. No Result
Bacillus subtilis ATCC 6633 NCTC 10400 Good growth
Candida albicans ATCC 10231 NCPF 3179 Good growth
Escherichia coli ATCC 8739 NCIB 8545 Good growth
Staphylococcus aureus ATCC 6538 NCTC 10788 Good growth
Pseudomonas aeruginosa ATCC 27853 NCTC 12934 Good growth
Salmonella enteritidis NCTC 5188 Good growth
Full or partial neutralisation of antibacterials Chlorine 2%, Formaldehyde 0.1%, Glutaraldehyde 1%, Iodine 2%, Mercurial 1:1000, Phenol 2%, Quaternary ammonium 1:400


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