Weiyel Reference Materials
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| Safety level | 0 |
| Sharing mode | Public welfare sharing |
Bacillus coagulans spore suspension
BNCC362557
Fecal coliform standard quality control sample (Membrane membrane method)
BNCC359578
Talc powder contaminated by Bacillus atrophicus 9372
BNCC362552
Seawater quality fecal coliform positive quality control sample (Membrane membrane method)
BNCC363181
Fecal coliform positive control quality control sample (Multi-tube fermentation method)
BNCC359094
Shigella quality control sample of sewage from medical institutions
BNCC362175