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    S50 Sedgewick Rafter Counting Chamber (plastic). Includes 1 cover glass
S50 Sedgewick Rafter Counting Chamber (plastic). Includes 1 cover glass

Ref.: CSIRO ANACC Methods an Materials "Cell counting using a Sedgwick-Rafter chamber"
These counting chambers have been developed for the counting of large cells or where the cultures form long chains or colonies and are suitable where the cell density range is <10,000 cells / mL.
The settling chamber has a volume of 1 mL. To calculate the cell density of a dense algal culture where the cells are relatively small (~ 5-50 µm) and either single cells or short chains, a haemacytometer is more appropriately used.
                      
                        
                        
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