Paterson Globes and Circles, Electron Microscopy Sciences

Supplier: Electron Microscopy Sciences

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Paterson Globes and Circles, Electron Microscopy Sciences

Paterson Globes and Circles, Electron Microscopy Sciences

68031-19 68031-21 68031-16

100499-268EA 394.81 USD

100499-268 100499-270 100499-266

Paterson Globes and Circles, Electron Microscopy Sciences

Graticules, Reticles and Grids

Please note that for calibration the circles and globes will represent particles smaller in diameter by the magnification of the objective.

The use of the eyepiece graticules showed in this section make it possible to analyze specimens containing particles as an alternative, or in addition to, sieving. Graticules for particle size analysis are particularly popular when there are only limited quantities of particles or where particles are smaller than 50 microns in diameter. Typical substances analyzed are sand grains, soil particles, plant seeds, fertilizers, abrasives, liquid droplets, pigments, pulverized coal, silica, fibers and fine dust. The basic principle employed is to compare particles to the globes and circles of varying sizes that appear on the graticule – dark particles being compared to solids globes, and light or transparent ones to the circles. Naturally the procedure varies with the graticule concerned.

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About VWR

Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...

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