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Palmer Counting Cell SS with 2 cover glasses.

Palmer Counting Cell SS with 2 cover glasses.

Palmer Counting Cell SS with 2 cover glasses.

Palmer Counting Cells, SS, 0.1mL

Similar to the Sedgewick Rafter but specifically intended for nannoplankton. The shallow depth of the circular chamber permits use of 40 to 45 x objectives. Because its magnification limit is 400 to 450 x, it is recommended for 43 x dry objectives of approximately 0.65 n.a. and 4 mm e.f. Do not use unless your sample contains a dense population of 10 or more plankters per field, due to the cell’s small size. Such a small sample portion from a less dense population can cause serious underestimation of density.

Specifications:
• Volume is 0.1 mL

• Stainless steel cell is shallow, 17.9 mm diameter x 0.4 mm deep, with 2 charging channels. Consists of 75 x 15 x 2 mm thick polished glass slide glued with SS epoxy to form flat-bottomed chamber. Chamber area is 252 sq mm. Includes: 2 cover glasses, snap-lock plastic case.

3-1803-B40

$91.25

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Palmer Counting Cells, SS, 0.1mL

Similar to the Sedgewick Rafter but specifically intended for nannoplankton. The shallow depth of the circular chamber permits use of 40 to 45 x objectives. Because its magnification limit is 400 to 450 x, it is recommended for 43 x dry objectives of approximately 0.65 n.a. and 4 mm e.f. Do not use unless your sample contains a dense population of 10 or more plankters per field, due to the cell’s small size. Such a small sample portion from a less dense population can cause serious underestimation of density.

Specifications:
• Volume is 0.1 mL

• Stainless steel cell is shallow, 17.9 mm diameter x 0.4 mm deep, with 2 charging channels. Consists of 75 x 15 x 2 mm thick polished glass slide glued with SS epoxy to form flat-bottomed chamber. Chamber area is 252 sq mm. Includes: 2 cover glasses, snap-lock plastic case.

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