Nutrient Agar

半岛bd体育手机客户端 说明

分析说明

Appearance (clearness): clear
Appearance (color): yellowish brown
pH-value (25?°C): 7.1 - 7.5
Growth promotion test in accordance with the current version of DIN EN ISO 11133.

Inoculum on reference medium (Bacillus subtilis ATCC 6633 (WDCM 00003)):
Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012)):
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)):
Colony count (Bacillus subtilis ATCC 6633 (WDCM 00003)):
Colony count (Escherichia coli ATCC 8739 (WDCM 00012)):
Colony count (Escherichia coli ATCC 25922 (WDCM 00013)):
Recovery on test medium (Bacillus subtilis ATCC 6633 (WDCM 00003)): ≥ 70 %
Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012)): ≥ 70 %
Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013)): ≥ 70 %
Incubation: 44 ± 4 hours at 36 ± 1 °C, aerobic
A recovery rate of 70 % is equivalent to a productivity value of 0.7.
The indicated colony counts result from the sum of a triple determination.
Reference media: Tryptic Soy Agar

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

半岛bd体育手机客户端 性质

质量水平	200
形式	medium granules (dehydrated (DCM))
manufacturer/tradename	GranuCult?
technique(s)	microbiological culture: suitable
pH值(酸碱度)	7.1-7.5 (37 ℃, 40 g/L in H2O, after autoclaving)
溶解性	40 g/L
堆积密度	560 kg/m3
application(s)	food and beverages microbiology
储存温度	15-25℃
适用性	heterotrophic bacteria

安全信息

储存分类代码	11 - Combustible Solids
WGK	WGK 3