This is a sterile aqueous solution of Potassium di-hydrogen phosphate (16.0 % w/v) with Phenol Red Indicator suitable for use in the neutralisation following the digestion of sputum with Sodium hydroxide prior to culture. It is generally used in conjunction with BM1322 Sodium hydroxide 4%.
BM1325 – Sputum Neutralising Buffer
|Shelf Life (days)|
|Storage Temp (°C)|
|Tested for sterility only by inoculation of Columbia Agar and incubation at 37°C for 48 hours|