Currently reading: Trace Impurities by ProSciTech Pty Ltd

Trace Impurities

This is a listing of trace impurities in some of our coverslips and slides. Example: fused quartz.

Trace Impurities


ELEMENT
(PPM)

ELECTRICALLY FUSED
TUBING & ROD
(PPM)

ELECTRICALLY FUSED
INGOT
(PPM)

FLAME FUSED
INGOT
(PPM)

FUSED SILICA
FLAME FUSED
(PPB)

Ag
<2
Al
141415<25
As
<.002<.002<15
Au
<1
B
<0.2<0.2<10
Ba
<1
Be
<0.5
Bi
<0
Ca
0.40.40.5<15
Cd
<0.01<0.01<0.3
Co
<0.5
Cr
<0.050.05<0.01<1
Cu
<0.05<0.05<0.01<2
Fe
0.20.20.1<20
Ga
<0.5
K
0.60.60.2<5
Li
0.60.60.2<7.2
Mg
0.10.1<5
Mn
<0.05<0.050.01<1
Mo
<1
Na
0.70.70.1<187
Nd
0.1
Ni
<0.1<0.1<5
P
<0.2<0.2<50
Sb
<0.003<0.003<0.5
Sr
<0.5
Th
<0.5
Ti
1.11.11.3<10
U
<1
V
<1
Y
<0.1
Zn
<5
Zr
0.80.81.3<5
OH
<5<5170<1000 PPM
Was this article helpful?
Yes
No
comments powered by Disqus