Trace Impurities

Transmission Curves

ELEMENT (PPM)	GE TYPE 214 ELECTRICALLY FUSED TUBING & ROD (PPM)	GE TYPE 124 ELECTRICALLY FUSED INGOT (PPM)	HERAEUS TYPE TSC-3 FLAME FUSED INGOT (PPM)	CORNING HPFS 7980 FUSED SILICA FLAME FUSED INGOT (PPB)
Ag	—	—	—	<2
Al	14	14	15	<25
As	<0.002	<0.002	—	<15
Au	—	—	—	<1
B	<0.2	<0.2	—	<10
Ba	—	—	—	<1
Be	—	—	—	<0.5
Bi	—	—	—	<1
Ca	0.4	0.4	0.4	<15
Cd	<0.01	<0.01	—	<0.3
Co	—	—	—	<0.5
Cr	<0.05	<0.05	<0.01	<1
Cu	<0.05	<0.05	<0.01	<2
Fe	0.2	0.2	0.05	<20
Ga	—	—	—	<0.5
K	0.6	0.6	0.2	<5
Li	0.6	0.6	0.2	<7.2
Mg	0.1	0.1	<0.01	<5
Mn	<0.05	<0.05	<0.01	<1
Mo	—	—	—	<1
Na	0.7	0.7	0.3	<187
Nd	—	—	—	—
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	1.1	1.1	1.1	<10
U	—	—	—	<1
V	—	—	—	<1
Y	—	—	—	—
Zn	—	—	—	<5
Zr	0.8	0.8	0.8	<5
OH	<5	<5	170	<1000 PPM

World Leaders in the Fabrication & Distribution of Fused Quartz

Trace Impurities

Categories

TECHNICAL

Trace Impurities

ELEMENT (PPM)

GE TYPE 214 ELECTRICALLY FUSED TUBING & ROD (PPM)

GE TYPE 124 ELECTRICALLY FUSED INGOT (PPM)

HERAEUS TYPE TSC-3 FLAME FUSED INGOT (PPM)

CORNING HPFS 7980 FUSED SILICA FLAME FUSED INGOT (PPB)

Ag

Al

As

Au

B

Ba

Be

Bi

Ca

Cd

Co

Cr

Cu

Fe

Ga

K

Li

Mg

Mn

Mo

Na

Nd

Ni

P

Sb

Sr

Th

Ti

U

V

Y

Zn

Zr

OH

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World Leaders in the
Fabrication & Distribution of Fused Quartz

ELEMENT
(PPM)

GE TYPE 214 ELECTRICALLY FUSED
TUBING & ROD
(PPM)

GE TYPE 124
ELECTRICALLY FUSED
INGOT
(PPM)

HERAEUS
TYPE TSC-3
FLAME FUSED
INGOT
(PPM)

CORNING
HPFS 7980
FUSED SILICA
FLAME FUSED
INGOT
(PPB)