Weiyel Reference Materials
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Fecal coliform standard quality control sample (Membrane membrane method)
BNCC359578
Water quality enzyme substrate method quality control sample
BNCC361780
Standard quality control sample of pseudomonas aeruginosa in drinking water
BNCC362542
Quality control sample of coliform bacteria in sludge feces of medical institutions
BNCC362173
Reference material of total bacterial count in food
BNCC359091
Escherichia coli-sfgfp green fluorescent marker strain
BNCC363778