产品说明
应用
用于水和废水样品中大肠菌的计数。
制备说明
Suspend 22.7 g of Part A and 12.7 g of Part B in 1 litre distilled water containing 5 g of ammonium chloride. Heat is necessary to dissolve the medium completely. Dispense in tubes containing inverted Durham′s tubes. Sterilize by autoclaving at 115℃ for 10 minutes. For single strength medium use 11.35 g of Part A and 6.35 g of Part B in 1 litre distilled water containing 2.5 g ammonium chloride.
附注
We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.
法律信息
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| NACRES | NA.85 |
产品性质
| 质量水平 | 200 |
| agency | according to ISO 16649-3:2015 |
| 无菌性 | non-sterile |
| 形式 | powder |
| 保质期 | limited shelf life, expiry date on the label |
| 组成 | bromocresol purple, 0.02 g/L calcium chloride, 0.02 g/L dipotassium phosphate, 1.8 g/L ferric ammonium citrate, 0.02 g/L lactose, 20 g/L magnesium sulfate, 0.2 g/L nicotinic acid, 0.002 g/L pantothenic acid, 0.002 g/L sodium formate, 0.5 g/L thiamine, 0.002 g/L |
| manufacturer/tradename | NutriSelect® Plus |
| technique(s) | microbiological culture: suitable |
| 最终pH | 6.7±0.2 (25 ℃) |
| application(s) | agriculture agriculture environmental food and beverages water monitoring microbiology |
| 适用性 | nonselective and differential for Escherichia coli nonselective and differential for coliforms nonselective and differential for enterobacteriaceae |
安全信息
| 储存分类代码 | 10 - Combustible liquids |
| WGK | WGK 2 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
Sigma-Aldrich
m.cnreagent.com
