Calibrated Soda Lime Glass Microspheres
Calibrated Soda Lime Glass Microspheres
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Calibrated Soda Lime Glass Microspheres

SPI Supplies Calibrated Soda Lime Glass Microspheres are available for calibrating SEM, TEM, LM, confocal, and SPM instruments. Uniform soda lime glass microspheres have fewer spherical imperfections and inclusions than other glass microspheres. They also have better mechanical and thermal stability. Very useful for instruments requiring a higher density and more contrast to incident radiation than that provided by the polymer microspheres. These microspheres have trace amounts of metallic elements and this makes them easily detectable by energy dispersive spectroscopy (EDS) methods and improves their contrast and reflectivity in optical, ultrasonic and electron beam detection methods. In addition to electron microscopy, these borosilicate glass spheres can also be used for applications in flow tracing, filter checking, and instrument calibration. All products have been calibrated against NIST traceable standards.

  • Manufactured to a very narrow size distribution.
  • High level of inertness in the electron beam.
  • Packaged as free-flowing dry powder.
  • Store at room temperature.
  • Keep bottle tightly sealed to avoid contamination.
SPI Supplies
Part Number
Microsphere
Diameter (µm)
02724-AB30
02717-AB40
02726-AB50
02718-AB60
02727-AB70
02719-AB80
02728-AB90
02720-AB100
02729-AB110
02730-AB120
02731-AB140
02732-AB170
02733-AB200
02734-AB230
02735-AB280
02736-AB330
02737-AB400
02738-AB480
02739-AB550
02747-AB650
02748-AB750
02749-AB950
02770-AB1000
02771-AB2000
Items in Calibrated Soda Lime Glass Microspheres