Dey-Engley Neutralizing Agar Plate is used in disinfectant testing where the neutralization of antiseptics and disinfectants is important for determining its bactericidal activity.
Dey-Engley Neutralizing Agar neutralizes a broad spectrum of antiseptics and disinfectants including quaternary ammonium compounds, phenolics, iodine and chlorine preparations, mercurials, formaldehyde and glutaraldehyde.
Composition*
Ingredients
| g/L
|
Pancreatic Digest of Casein
| 5.0
|
Yeast Extract
| 2.5
|
Glucose
| 10.0
|
Sodium Thiosulphate
| 6.0
|
Sodium Thioglycollate
| 1.0
|
Sodium Bisulphite
| 2.5
|
Lecithin
| 7.0
|
Polysorbate 80
| 5.0
|
Bromocresol Purple
| 0.020
|
Agar
| 15.0
|
*Adjusted to suit performance parameters.
pH at 25°C ± 2°C: 7.6 ± 0.2
