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200 mesh copper grid. A germanium-shadowed carbon replica of a ruled diffraction grating having 28,800 lines per inch, with actual grating spacing of 882 nm. Learn More

300 mesh copper grid. A germanium-shadowed carbon replica of a ruled diffraction grating having 54,864 lines per inch, actual grating spacing of 463 nm. Of particular value in high magnification work where the 28,800 line grating presents too few lines for accurate measurement. Learn More

Available in many diameters. Note: Particle sizes may vary somewhat from those listed. Exact size listed on each vial. Each vial contains 10ml of an aqueous suspension of 0.2% (w/v) spheres per ml. In the item description, the number of particles per ml is designated with an exponent. For example, 3.7 x 10E12 is equivalent to 3.7 x 10¹².

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4 Hole Platinum / Iridium (95:5) Strips 45mm long X 4mm wide X 0.1mm thick for Hitachi H600, H59, S520, H11 microscopes and more.

We also offer similar strips in Molybdenum. Please click HERE for molybdenum apertures.

We can manufacture any hole size in any combination you require. Please e-mail your specifications if you don't find what you need below.

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Performs all of the three major instrument calibrations for a TEM: image magnification; camera constant for indexing diffraction patterns; and image/diffraction pattern rotation for relating crystal directions to features in the image. Learn More

Dark green #5 lens protects the eyes while observing evaporation of metals and carbon. Fit over most prescription glasses. No-fog vents. Adjustable headband. NOW with free #10 lens. Learn More

Non-vented. Clear acetate lens. Black frame with rubber headband. Meets ANSI Z87.1-1989. These goggles are NOT gas tight. Learn More

100% woven texturized fiber glass made from flexible, non-irritating yarns - 35 oz./sq. yard. Offers protection up to 538° C with an insulation value twice that of asbestos for a given thickness. Midarm length of 35.5 cm. Excellent for handling hot glassware from hot plates, autoclaves, etc. 28 cm and 58 cm lengths available upon request. Learn More

These gloves protect hands and lower arms against extremely cold atmospheres. Suitable for temperatures as low as -196°C but NOT FOR IMMERSION IN LIQUID NITROGEN. Provide warmth and flexibility without bulkiness. Waterproof, hypo-allergenic insulation contains no asbestos. Machine washable and dryable, lining can be pulled out for quick drying. 14" long, cuff reaches mid-forearm. Learn More