BeNa Culture Collection
info@bncc.com
Standard quality control samples of heat-resistant coliform bacteria in drinking water
363222
Water quality fecal coliform positive quality control sample (Membrane membrane method)
360396
Water quality enzyme substrate method negative quality control sample
360395
Enterobacter aerogenes quality control sample (Membrane membrane method)
360397
Shigella quality control sample of sewage from medical institutions
362174
Reference material of aspergillus niger spores count
359089