Millimeter square grid - Save time counting zooplankton Standard Methods recommended way to count zooplankton in the 400 to 1000 um range Just in time to make your hours in the lab more productive. Let statistics - and the accuracy of our grid - do the counting. There's no need to count what's in the entire cell; extrapolate the number of "critters" in a portion of the cell. Contains a 1 x 3" glass slide mounted on a brass frame and meticulously drawn with a millimeter square grid in a chrome-on-glass procedure. Cell is 50 mm x 20 mm x 1 mm with a volume of 1.0 mL. Lines of grid are .0007" (0.18mm) wide. There is one microliter of water per gridded square of the cell. Specifications: Frame: brass, mounted on 1 #34; x 3 #34; glass slide. Cell size: 50 mm x 20 mm x 1 mm (1.968 #34; x 0.787 #34; x 0.04 #34;) Cell volume: 1.0 mL Includes: 2 cover glasses. SR-02 : Gridded model includes 1mm x 1mm grid etched on slide with 1 microliter of fluid per gridded square

Condition

New

Weight

500g

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