Standard quality control sample of total coliforms in drinking water (Membrane membrane method)
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Standard quality control sample of total coliform bacteria in drinking water
BNCC360412 | 西林瓶
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Fecal coliform positive control quality control sample (Membrane membrane method)
BNCC359576 | 西林瓶
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Fecal coliform negative control sample (Membrane membrane method)
BNCC359577 | 西林瓶
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Standard quality control samples of heat-resistant coliform bacteria in drinking water
BNCC363222 | 西林瓶
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Enterobacter aerogenes quality control sample (Membrane membrane method)
BNCC360397 | 西林瓶
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Water Quality Total Coliform Standard Quality Control Sample (Paper Rapid Method)
BNCC360407 | 西林瓶
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Water Quality Total Coliform Standard Quality Control Sample (Paper Rapid Method)
BNCC371840 | 西林瓶
产品中文名称:生活饮用水总大肠菌群标准质控样品(滤膜法)
产品英文名称:Standard quality control sample of total coliforms in drinking water (Membrane membrane method)
参考用途:具体用途:生活饮用水总大肠菌群质控样品(滤膜法)适用标准:GB/T5750.12-2023《生活饮用水标准检验方法 第12部分:微生物指标》
形态特性:/
培养基:蛋白胨:10.0g,牛肉粉:3.0g,氯化钠:5.0g,琼脂:15.0g,pH值:7.3±0.1(25℃)
培养条件:37°C,好氧,18-24h
培养方法:样品需要总计200mL 无菌水或无菌生理盐水溶解。使用前,将质控样品置于室温 30min,随后在生物安全柜中打开,立即加入 3~4mL 无菌水,溶解后吸出打入无菌瓶,将余下无菌水重复洗涤西林瓶内壁,全部转移至上述无菌瓶中,即为标准质控样品,共计200mL ,浓度为10-100CFU/100mL。
存储形式:-20℃,避光保存
提供形式:西林瓶
备注:品红亚硫酸钠琼脂培养,37℃计数大肠菌群。
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