Fecal Coliform  Negative Quality Control Sample Certificate

1. Product information:

Sample name: Fecal coliform negative control sample (filter method)

Sample number: 359577

sample batch: 210823

2. Product features:

3.Instructions

Dissolve the material by 500mL of sterile water or sterile saline. Before use, the quality control sample is placed at room temperature for 30min, then opened in the biosafety cabinet, 3-4ml of sterile water is immediately added, dissolved and transferred into a sterile bottle; rinse the inner wall of the penicillin bottle with the remaining sterile water, and transfer all the solution to the former sterile bottle. It is the negative quality control sample, with a total of 500mL and a concentration of 40~600CFU/L

4. Precautions

1. after receiving the goods, please keep it properly. if it is damaged, please contact the center within 24 hours after receiving it.

2. Please operate in a sterile environment and a biosafety cabinet when using. After opening, you must use it all at once.

3. this product contains three types of pathogenic microorganisms, please do not directly touch the samples in the bottle with your hands, please discard the residual samples after high temperature and high pressure sterilization.

5. Preservation and transportation

long-term preservation:-20 ℃, valid for 2 years;

Transportation conditions:shipment on ice bag within 10 days

Henan Engineering Technology Research Center of Industrial Microbial Strain

website: www.bncc.org.cn tel: 400-6699-833