DYOS Tool
Glasses Group
From the standards library of the SPI Supplies and the C. M. Taylor Company
# AS7250-AB
K-0493 Glass
National Bureau of Standards origin with
Certificate of Analysis
Now the National Institute of Standards and Technology, NIST, Gaithersburg, MD USA
Element
Wt %
Oxide
Wt %
Li
0.000
Li
2
O
0.001
B
0.04
B
2
O
3
0.14
O
20.63
Al
0.11
Al
2
O
3
0.20
Si
13.04
SiO
2
27.89
Ti
0.19
TiO
2
0.32
Fe
0.22
Fe
2
O
3
0.32
Zr
0.36
ZrO
2
0.49
Ce
0.55
CeO
2
0.68
Ta
0.72
Ta
2
O
5
0.88
Pb
64.13
PbO
69.08
Sum
100.0
Sum
100.0
2mm cubes
Si-Pb doped
Name
Description
SPI #
Each
K-0493 Glass
SPI SuppliesŪ Individual Mounted Microanalysis Standard Item
AS7250-AB
$
K-0493 Glass
SPI SuppliesŪ Individual Loose Microanalysis Standard Item
AS7255-AB
$
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