Quality control sample certificate for water quality enzyme substrate method

1. Product information

Sample name: Quality control samples for water quality enzyme substrate method

Sample number: 361780

Sample batch: 220624

2. Product features

3. instructions

The samples require a total of 50L sterile water or sterile saline to dissolve. Please place the sample at room temperature for 30 minutes before use., then open it in a biological safety cabinet, add 5 mL of sterile water immediately, dissolve it, suck it out and put it into a sterile bottle, and repeatedly wash the inner wall of the vial with the remaining sterile water, and transfer all the samples to the vial. The above sterile bottle is the standard sample stock solution.

4. Notes

1. After receiving the goods, please keep them properly. If there is any damage, please contact the center within 24 hours after receipt;

2. Please operate in a sterile environment, in a biological safety cabinet, and use it all at once after opening;

3. During use, it should be handled as infectious substances. Please do not directly touch the samples in the bottle with your hands. After use, please sterilize the residual samples at high temperature and high pressure and discard them.

5. Preservation and transportation

Long-term storage:-20 ℃, valid for 1 year; Transportation conditions: ice bag transportation, the time should not exceed 7 days.

Henan Engineering Technology Research Center of Industrial Microbial Strain

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