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Quantitative strain of Escherichia coli — BNCC 364025

BNCC

Quantitative strain of Escherichia coli

SKU 364025

Bioware

A standardized microbiological quality-control material designed to provide a defined analytical challenge.
Suitable for method verification, recovery studies, detection or enumeration performance assessment, and routine quality control.

Technical Specifications

OrganismQuantitative strains of Enterococcus hirae
Material TypeMicrobiological Quality Control
Preservation FormLyophilized tablet
Morphological CharacteristicsThe colony diameter is 1-2mm, circular, with neat edges, opaque, white on the front, raised in the middle, smooth and bright on the surface, moist texture, easy to pick up, G+(blue purple), cocci, purity: pure
Culture Method① Cultivate the bacteria into a bacterial suspension according to the cultivation conditions first; ② Measure the absorbance of bacterial suspension and calculate the initial concentration of bacterial suspension according to the standard formula; ③ The actual concentration after freeze-drying is obtained by multiplying the initial concentration by the survival rate; ④ Dilute the bacterial suspension according to the actual concentration after freeze-drying to obtain the target concentration, and then divide and freeze dry it
Culture Conditions37 °C; 24-48 hours; Aerobic
Provided FormatsPenicillin Vial
Culture Medium No.352252
Culture Medium NameBrain Heart Infusion Agar
Culture Medium CompositionBeef Brain Infusion Powder:4.0g, Beef Heart Infusion Powder:4.0g, Peptone:5.0g, Casein Peptone:16.0g, NaCl:5.0g, Glucose:2.0g, Na2HPO4:2.5g, Agar:13.5g, pH:7.4±0.2(25°C)
Pack ConfigurationSingle Vial
ApplicationMicrobiological method verification, enumeration, and laboratory quality control.
Storage Conditions-20 °C
Country of OriginChina

Documents

The Certificate of Analysis (COA) is issued for the applicable batch or lot and is available upon request.