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Items 821 to 830 of 1327 total

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Stork Veco Grids

Stork Veco Grids

Starting at: $34.95

Available in Copper and Nickel; 50, 75, 100, 150, 200, 300 and 400 mesh sizes; and 81%, 72%, 64%, 49%, 46%, 29% and 23% open area. Comes in vials of 100. All grids are square mesh and have a center mark. Learn More
Aluminum Diffraction Standard

40760 - Aluminum Diffraction Standard

$24.95

Standard grid is 3.05mm 200 mesh copper. Learn More
Thallous Chloride Diffraction Standard

40825 - Thallous Chloride Diffraction Standard

$26.95

Standard grid is 3.05mm 200 mesh copper. Learn More
Molybdenum Oxide Diffraction Standard

40830 - Molybdenum Oxide Diffraction Standard

$30.95

Standard grid is 3.05mm 200 mesh copper. Learn More
Oval JEOL Four Hole Strip Apertures - Platinum

Oval JEOL Four Hole Strip Apertures - Platinum

Starting at: $665.00

4 Hole Oval Platinum (Platinum:Iridium 95:5) Strips 10.0mm long X 5.0mm wide X 0.10mm thick.


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.

Learn More
40700 - Low Magnification Carbon Grating

40700 - Low Magnification Carbon Grating

$48.95

200 mesh copper grid. A germanium-shadowed carbon replica of a ruled diffraction grating having 15,240 lines per inch, with actual grating spacing of 1667 nm. Useful for low magnification work with electron microscopes. Learn More
40710 - Intermediate Magnification Carbon Grating

40710 - Intermediate Magnification Carbon Grating

$49.95

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
40720 - High Magnification Carbon Grating

40720 - High Magnification Carbon Grating

$51.95

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
Polystyrene Latex Spheres

Polystyrene Latex Spheres

Starting at: $32.95

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.

Now Available!! In addition to the standard latex spheres listed below, we now offer NIST traceable polystyrene latex spheres in various sizes. Certificate of Compliance available. Please call us for details.
Please Note!! During the winter months these items must be shipped via next day air to minimize the chance of freezing.
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Hitachi Four Hole Strip Apertures - Platinum

Hitachi Four Hole Strip Apertures - Platinum

Starting at: $610.00

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.

Learn More

Items 821 to 830 of 1327 total

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  1. 81
  2. 82
  3. 83
  4. 84
  5. 85
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