XLT4 Supplement, 100 mL

XLT4 Supplement, 100 mL is an anionic surfactant solution used as an inhibitory agent in XLT4 Agar Base in a laboratory setting. XLT4 Supplement, 100 mL is not intended for use in the diagnosis of disease or other conditions in humans.


Formula Liter
Sodium tetradecyl sulfate (Tergitol 4) 100 mL


  1. Follow the base media instructions for the preparation of the culture medium.
  2. Add 4.6 mL/Liter XLT4 Supplement to XLT4 Agar Base (59 g/L), heat with frequent agitation and boil for one minute to completely dissolve the medium. AVOID OVERHEATING. DO NOT AUTOCLAVE.
  3. Temper the complete medium in a water bath at 45 – 50°C before pouring plates