欧美……一区二区三区,欧美日韩亚洲另类视频,亚洲国产欧美日韩中字,日本一区二区三区dvd视频在线

Use RAPID'E.coli 2 Agar for Water Testing for the direct enumeration of E. coli and coliforms in water intended for human consumption waste water. RAPID'E.coli 2 Agar uses two chromogenic color reactions, β-D-galactosidase (GAL) and β-D-glucuronidase (GLUC), for the clear identification of E. coli and coliforms. After rehydration and autoclaving, cool to 47 ± 2°C and add 1.0 ml of RAPID'E.coli 2 Selective Supplement (3555298) per 100 ml agar, prior to pouring plates. Features and Benefits Direct enumeration of E. coli and coliforms on a single plate Coliforms are GAL+/GLUC- and form blue to green colonies E. coli is GAL+/GLUC+ and forms violet to pink colonies Results in 24 hr No confirmation step required Validations Certified AFNOR Certification as an alternative method to the reference standard EN ISO 9308-1. Related Products RAPID'E.coli 2 Agar Kit for Water Testing (3555296) RAPID'E.coli 2 Agar Plates for Water Testing (3563982) RAPID'E.coli 2 Selective Supplement (3555298)