Weiyel Reference Materials
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| Subculture | Nutritional gravy medium (English name: NA/NB): beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (not included in 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. |
| Growth conditions | 37 ℃, aerobic, 18-24h |
| Storage conditions | -80 ℃, cold storage away from light; Dry ice transportation |
| Safety level | 1 |
| Application | Sensitive test; Antibacterial test; Food testing; Cosmetic testing; Culture control; Quality control strain; API verification bacteria, GB 4789.38-2012 Escherichia coli count positive control strain. |
| Sharing mode | Public welfare sharing |
Shigella quality control sample of sewage from medical institutions
BNCC362174
Bacillus subtilis spore suspension
BNCC358982
Standard quality control sample of total coliforms in drinking water (Membrane membrane method)
BNCC360416
Seawater total bacterial colony count quality control sample
BNCC363183
Standard quality control sample of clostridium perfringens in drinking water
BNCC362541
Quality control sample of coliform bacteria in sludge feces of medical institutions
BNCC362172