Weiyel Reference Materials
info@weiyel.com
| Subculture | Nutritional gravy medium (NA/NB): beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (without liquid medium), distilled water 1.0L,pH 7.0. Sterilization at 121 ℃ for 15min. [Note] Adding 5 mgMnSO4 · H2O to culture Bacillus is beneficial to produce spores. |
| 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 | 55 ℃, aerobic, 18-24h |
| Storage conditions | 2-8 ℃ |
| Safety level | 1 |
| Application | Resistance Testing Dry heat sterilization control Efficacy testing Ethylene oxide sterilization control Media testing Steam sterilization control Sterility assurance Sterilization control Pharmaceutical and Personal Care Resistance test dry heat sterilization control efficacy test ethylene oxide sterilization control medium inspection sterilization control> drugs and personal care |
| Sharing mode | Public welfare sharing |
Mycobacterium smegmatis nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC363811
Fecal coliform negative control sample (Membrane membrane method)
BNCC359577
Seawater total coliform positive control quality control sample (Multi-tube fermentation method)
BNCC363180
Streptococcus mutans Clarke DNA lab quality control
BNCC363737
Reference material of bacillus subtilis spores count
BNCC359087
Reference material of escherichia coli count in food
BNCC359093