Water quality enzyme substrate method negative quality control sample
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Water quality enzyme substrate method quality control sample
BNCC360391 | 西林瓶
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Water quality enzyme substrate method positive quality control sample
BNCC360394 | 西林瓶
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Quality control samples by enzyme substrate method for drinking water
BNCC360392 | 西林瓶
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Quality control samples by enzyme substrate method for drinking water
BNCC377601 | 西林瓶
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Water quality total coliform negative quality control sample (paper rapid method)
BNCC360413 | 西林瓶
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Water quality fecal coliform negative quality control samples (paper rapid method)
BNCC360410 | 西林瓶
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水质酶底物法质控样品(100mL水样) Water quality enzyme substrate method quality control sample
BNCC374009 | 西林瓶;40000~100000MPN/L
产品中文名称:水质酶底物法阴性质控样品
产品英文名称:Water quality enzyme substrate method negative quality control sample
参考用途:参照标准:《HJ 1001-2018 水质 总大肠菌群、粪大肠菌群和大肠埃希氏菌的测定 酶底物法》;水质总大肠菌群、粪大肠菌群和大肠埃希氏菌测定阴性对照(酶底物法)。
形态特性:/
培养基:硫酸铵:5.0g,硫酸锰:0.0005g,硫酸锌:0.0005g,硫酸镁:0.1g,氯化钠:10.0g,氯化钙:0.05g,亚硫酸钠:0.04g,两性霉素B:0.001g,ONPG:0.5g,MUG:0.075g,Solanium萃取物:0.5g,HEPES:6.9g,HEPES钠盐:5.3g
培养条件:37℃;培养时间24-48小时;气体环境厌氧
培养方法:/
存储形式:-20℃,避光保存
提供形式:西林瓶
备注:外观为白色粉剂(冻干粉), 含保护剂, 7mL 西林瓶包装,使用100mL无菌水或磷酸盐缓冲液溶解,获得质控样品悬液100mL,浓度为300~3000CFU/mL(参考值2400CFU/mL)。
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