Weiyel Reference Materials
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Quality control samples of fecal coliforms in medical institutions
BNCC362171
Bacillus stearothermophilus spore suspension
BNCC360467
Water quality enzyme substrate method negative quality control sample
BNCC360395
Bacillus subtilis spore suspension
BNCC361462
Bacillus subtilis spore suspension
BNCC358982
Water quality fecal coliform standard quality control material sample (multi-tube fermentation method)
BNCC360422