|
| After pasteurizing at 70-75°C, the sample is filtered through a suitable membrane filter. Next the filter is incubated anaerobicallyat 37 °C on a solid ferruginous and sulphite-containing medium with such selective characteristics that only traces of sulphite-reducing Clostridia will form typical black colonies. |
|
|
| Matrices qualified by the Dutch RvA: | Drinking water, Groundwater, Surface water, Swimmingpool water |
| Reporting limit: | 1 kve/100ml, matrix dependent |
| Measurement uncertainty: | 35% |
| Sustainability: | 3 days
, if conserved with NTA and Na-thiosulphate
|
| Sampling bottle: | Plastic
, white
, 500 ml
, conservation with NTA and Na-thiosulphate
(fill up to the neck of the bottle)
|
