Sigma-Aldrich Cult-Dip Combi 10 Units

Material

clear plastic tube
green plastic cap
white plastic (Dip slide)

Quality Level

100

Packaging

pkg of 10 tubes

Manufacturer/Tradename

Envirocheck^™

Storage Condition

do not freeze

Application(S)

food and beverages
surface monitoring
water monitoring

Storage Temp.

room temp

Suitability

coliforms
fungi
yeasts

Related Categories

Hygiene Monitoring Instruments, Samplers, Tests & Accessories

General Description

Cult Dip Combi^™is a ready-to-use dip slide for the semi-quantitative detection of microorganisms in liquid samples. The slide is coated with different agar on both sides for detection of total bacterial count as well as yeasts & molds.The side containing TTC agar (colorless agar) is for the enumeration of total bacteria, while the side with modified Potato-Dextrose agar (orange agar) is for the enumeration of yeast and fungi.The slide is unscrewed from the tube and either dipped into the liquid sample or wetted with the fluid by either lightly spraying or placing the slide under a running stream of the liquid. It is then screwed back into the tube and incubated upright.Results for total bacterial count can be read after 24 - 48 hours when incubated at 27 - 30 °C, while results for yeasts and fungi will show after 3 days. Alternatively, tubes can be incubated at room temperature, and the total bacterial count can be read after 2 - 4 days, while results for yeasts and molds can be read after 4 - 7 days.

Application

Cult Dip Combi^™is suitable for the simultaneous detection of total bacterial count, yeasts, and fungi in liquid samples in industrial and environmental monitoring.

Analysis Note

Microbial contamination: no growth
pH-value
- TTC-Agar:
6.6 - 7.2
- Potato-dextrose-agar: 6.3 - 6.8
Growth:TTC-Agar
- Escherichia coli:
growth/reddish colonies
- Proteus mirabilis: growth/reddish colonies
- Klebsiella pneumoniae: growth/reddish colonies
- Pseudomonas aeruginosa: growth/reddish colonies
- Enterococcus faecalis: growth
- Wild yeast (Strain 2): growth/reddish colonies
- Wild yeast (Strain 4): no/poor growth
- Penicillium commune ATCC 10428: growth
Growth:Potato-dextrose-agar
- Escherichia coli:
no growth
- Proteus mirabilis: no growth
- Klebsiella pneumoniae: no growth
- Pseudomonas aeruginosa: inhibited
- Enterococcus faecalis: no growth
- Wild yeast (Strain 2): growth
- Wild yeast (Strain 4): growth
- Penicillium commune ATCC 10428: growthCULT DIP COMBI is a trademark of Merck KGaA, Darmstadt, GermanyENVIROCHECK is a trademark of Merck KGaA, Darmstadt, Germany