1.00415

A-1 Medium

GranuCult^® prime, suitable for microbiology, for coliforms

• 别名: Coliform culture media
• UNSPSC代码: 41106213
• NACRES: NA.74

属性

• Agency: US EPA 8368
• 质量水平: 200
• 表单: medium granules (dehydrated (DCM))
• 制造商/商品名称: GranuCult^® prime
• 包装: pkg of -500 g
• 储存条件: dry media (Tightly closed); protect from light
• 技术: microbiological culture: suitable
• 颜色: light brown
• pH值（酸碱度）: 6.7-7.1 (25 °C, 31.5 g/L in H₂O)
• 应用: food and beverages; microbiology
• 储存温度: 15-25°C
• 适用性: coliforms

说明

一般描述

A-1 Medium is a granulated dehydrated culture medium used to detect fecal coliforms in non-potable and wastewater. Peptone from casein, lactose, and salicin are nutrients and guarantee good growth of microorganisms. Sodium chloride provides osmotic balance. Triton^™ X 100 is incorporated as a detergent.

应用

A-1 Medium is a selective culture medium for the detection of fecal coliforms in non-potable and wastewater.

特点和优势

• GranuCult^® prime offers superior granulated culture media
• Safe and sustainable due to reduced risks associated with fine dust and toxic substance inhalation, resulting in a safer work environment
• Excellent wettability, solubility, and free flowing properties
• Convenient, with minimal component separation and clumping, even under warm or humid conditions
• High batch-to-batch reproducibility
• Prolonged shelf life of up to five years
• High number of test strains exceeding all regulatory demands
• Granulation technology allowing many supplements to be included, with no need to add these separately

分析说明

Appearance (clearness): clear
Appearance (colour): yellowish to yellow
pH-value (25 °C): 6.7 - 7.1
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): good to very good
Growth (Escherichia coli ATCC 8739 (WDCM 00012)): good to very good
Growth (Enterobacter aerogenes ATCC 13048): none to fair
Growth (Enterococcus faecalis ATCC 19433 (WDCM 00009)): none to fair
Growth (Bacillus subtilis ATCC 6633 (WDCM 00003)): none
Growth (Aeromonas hydrophila ATCC 7966 (WDCM 00063)): none
Gas (Escherichia coli ATCC 25922 (WDCM 00013)): +
Gas (Escherichia coli ATCC 8739 (WDCM 00012)): +
Gas (Enterobacter aerogenes ATCC 13048): none or poor
Gas (Enterococcus faecalis ATCC 19433 (WDCM 00009)): -
Gas (Bacillus subtilis ATCC 6633 (WDCM 00003)): -
Gas (Aeromonas hydrophila ATCC 7966 (WDCM 00063)): -
Incubation: 3 hrs.; 35 °C; aerobic. 19 - 23 hrs.; 44.5 °C.

法律信息

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Triton is a trademark of The Dow Chemical Company or an affiliated company of Dow

免责声明

We offer two media types: the superior granulated GranuCult^® prime 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.

安全信息

• 象形图: GHS05,GHS07,GHS09
• 警示用语：: Danger
• 危险声明: H317 - H318 - H410
• 预防措施声明: P261 - P272 - P273 - P280 - P302 + P352 - P305 + P351 + P338
• 危险分类: Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Skin Sens. 1
• 储存分类代码: 11 - Combustible Solids
• WGK: WGK 3