Weiyel Reference Materials
info@weiyel.com
| Subculture | Tryptone soybean medium (English name: TSA/TSB): tryptone 17.0g, soybean peptone 3.0g, sodium chloride 5.0g, dipotassium hydrogen phosphate 2.5g, glucose 2.5g, agar 20.0g (without liquid medium), distilled water 1.0L,pH 7.3±0.2. Sterilization at 121 ℃ for 15min. |
| Subculturing | This spore suspension is a pure spore suspension, which is obtained by cell separation and collection of spores. It can be used directly, and the corresponding volume can be added according to the test requirements. |
| Growth conditions | 30 ℃;18-24h; Aerobic gas environment; |
| Storage conditions | 2-8 ℃ |
| Safety level | 2 |
| Application | Ionizing radiation sterilization or disinfection of indicator bacteria, in accordance with the 2020 edition of the disinfection technical specifications, etc. |
| Sharing mode | Public welfare sharing |
Standard quality control samples of Escherichia coli in drinking water (multi-tube fermentation method)
BNCC360415
Escherichia coli bacteriophage PhiX174 standard quality control product
BNCC362981
Bacillus subtilis spore suspension
BNCC361461
Standard quality control sample of coliform bacteria (MPN counting method)
BNCC360590
Seawater total bacterial colony count quality control sample
BNCC363185
Reference material of escherichia coli count in food
BNCC359093