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Introducing the 37mm
Pocket Cassette Opener
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What do these filter shapesHave in common?Mark III MarpleThey are hard tofind, at a goodpriceRespiconAvailable InFiber GlassQuartzMylarPVCPTFEPolycarbonateClick onfilter titlesto get orderinginformation -
Announcing
Relocatable Field Gridded Cover Glass for asbestos fiber evaluation
Grid
Magnified Grid
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A unique gridded cover glass has been developed. When used to prepare a slide for fiber counting, it superimposes
2 gridded viewing fields onto the chemically cleared filter wedge. Each grid of the viewing fields is divided into 14 columns
and 10 rows. Each column is denoted by an alphabet letter and each row by a number. Thus, each viewing field can be
identified and relocated for accurate re-examination (Image 1). The diameter of each viewing field is approximately 100 µm
(Image 2.). By placing the Walton–Beckett graticule within each viewing field, one proceeds to count the fibers by
phase-contrast microscopyImage 1
Image 2
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Announcing
The "Swiss Army Knife" of Air Sampling
Now Available in North America
Manufactured by
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ZOA 100 Oxygen analyzer uses a seous diffusion micro zirconium oxide cell. Several versions are designed to address the most severe applications. ...ZRA Oxygen analyzers' high tech sensor , ensures accurate and reliable oxygen measurements from ambient air , down to ppm in as little as a few seconds. ....
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