DYOS Tool

Glasses Group

From the standards library of the SPI Supplies and the C. M. Taylor Company

# AS7240-AB

K-0491 Glass

National Bureau of Standards origin with Certificate of Analysis

Now the National Institute of Standards and Technology, NIST, Gaithersburg, MD USA
ElementWt % OxideWt %
Li 0.000Li2O 0.001
B 0.03B2O3 0.11
O 16.65
Al 0.08Al2O3 0.16
Si 0.09SiO2 0.19
Ti 0.16TiO2 0.26
Fe 0.18Fe2O3 0.26
Ge 26.36GeO2 37.98
Zr 0.30ZrO2 0.40
Ce 0.46CeO2 0.56
Ta 0.59Ta2O5 0.72
Pb 55.10PbO 59.35
Sum100.0 Sum100.0
2mm light brown cubes and smaller shards
National Bureau of Standards. Very little material available.
Name Description SPI # Each
K-0491 Glass SPI SuppliesŪ Individual Mounted Microanalysis Standard Item AS7240-AB $
K-0491 Glass SPI SuppliesŪ Individual Loose Microanalysis Standard Item AS7245-AB $
   
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