Coliformen Agar Chromocult 500gm
acc. to ISO 9308-1 Chromocult®
Manufacturer: Merck
Catalog ID: 110426.0500
Stock: In Stock
Description
| Catalogue Number | 110426 |
| Overview | Chromocult® Coliform Agar facilitates and speeds up your processes. It allows the simultaneous detection, enumeration and confirmation of coliforms and E. coli in water within 24 hours. Chromocult® Coliform Agar comes in a granulated format and is the only chromogenic culture medium which was used for validation to prepare the new ISO 9308-1 (2014) version. |
Product Information
| HS Code | 3821 00 00 |
Physicochemical Information
| pH value | 6.6 - 7.0 (26.5 g/l, H₂O, 25 °C) |
| Solubility | 26.5 g/l |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Appearance (clearness) | slightly turbid to turbid |
| Appearance (colour) | yellowish to yellowish-brown |
| pH-value (25 °C) | 6.6 - 7.0 |
| Growth promotion test in accordance with the current version of DIN EN ISO 11133. | |
| Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)) | |
| Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012)) | |
| Inoculum on reference medium (Enterobacter aerogenes ATCC 13048) | |
| Inoculum on reference medium (Citrobacter freundii ATCC 43864 (WDCM 00006)) | |
| Colony count (Escherichia coli ATCC 25922 (WDCM 00013)) | |
| Colony count (Escherichia coli ATCC 8739 (WDCM 00012)) | |
| Colony count (Enterobacter aerogenes ATCC 13048) | |
| Colony count (Citrobacter freundii ATCC 43864 (WDCM 00006)) | |
| Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013)) | ≥ 70 % |
| Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012)) | ≥ 70 % |
| Recovery on test medium (Enterobacter aerogenes ATCC 13048) | ≥ 70 % |
| Recovery on test medium (Citrobacter freundii ATCC 43864 (WDCM 00006)) | ≥ 70 % |
| Growth (Enterococcus faecalis ATCC 19433 (WDCM 00009)) | partial inhibition |
| Growth (Pseudomonas aeruginosa ATCC 10145 (WDCM 00024)) | no limit |
| Colonies (Escherichia coli ATCC 25922 (WDCM 00013)) | dark-blue to violet |
| Colonies (Escherichia coli ATCC 8739 (WDCM 00012)) | dark-blue to violet |
| Colonies (Enterobacter aerogenes ATCC 13048 (WDCM 00175)) | pink to red |
| Colonies (Citrobacter freundii ATCC 43864 (WDCM 00006)) | pink to red |
| Colonies (Pseudomonas aeruginosa ATCC 10145 (WDCM 00024)) | colourless |
| Incubation: 21 ± 3 hours at 36 ± 2 °C 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 |
