BD 285420 Bromine Brown Trimethylammonium Agar Base from the United States

United StatesBD 285420 Cetrimide Agar Base

Difco™ Cetrimide Agar Base

285420

500g

Used for selective isolation and identification of Pseudomonas aeruginosa. Compliant with the United States Pharmacopeia(USP)， The European Pharmacopoeia (EP) and the Japanese Pharmacopoeia (JP).

formula g/L

Approximate Formula* Per Liter

Pancreatic Digest of Gelatin 20.0 g

Magnesium Chloride 1.4 g

Potassium Sulfate 10.0 g

Cetrimide (Tetradecyltrimethylammonium Bromide) 0.3 g

Agar 13.6 g

Preparation method:

Powder: Dissolve45.3Transfer the culture medium to 1L of distilled water, boil until dissolved, and sterilize under high pressure at 121 ℃ for 15 minutes.

Product Description: How to Translate

Steps for preparing dehydrated products:

1. Suspend 45.3 grams of powder in 1 liter of purified water containing 10 milliliters of glycerol and mix thoroughly.

2. Heat to boiling with frequent stirring for 1 minute until the powder dissolves.

3. Perform high-pressure sterilization at 121 degrees Celsius for 15 minutes.

4. Use stable typical control cultures to test the performance of the finished product.

Obtain isolated bacterial colonies from specimens using standard procedures. Invert the agar plate (with the agar side facing up), and thenIncubate at 35 ± 2 ° C for 18-48 hours. Inoculate test tubes with pure culture or specimen materials. Incubate the test tube in an aerobic environment at 35 ± 2 ° C for 18-24 hours.