Superhigh-purity Niobium Pentoxide
Nb2O5 99.999%
Impurity contained ( ppm max )

Al

1

Mo

0.5

As

0.1

Na

3

B

1

Ni

0.5

Bi

0.5

Pb

0.5

Ca

1

Sb

3

Cl

5

Si

3

Co

0.1

Sn

0.5

Cr

0.5

Ta

3

Cu

0.5

Ti

0.5

F

25

V

0.5

Fe

1

W

0.1

K

1

Zr

0.5

Mg

1

Mn

0.1

L.O.I

0.1

Size

-60mesh

 

 

 

 

High-Purity Niobium Pentoxide
Nb2O5 99.99%
Impurity contained ( ppm max)

Al

3

Mo

2

As

1

Na

5

B

1

Ni

3

Bi

2

Pb

3

Ca

5

Sb

5

Cl

10

Si

10

Co

1

Sn

1

Cr

3

Ta

10

Cu

3

Ti

1

F

50

V

1

Fe

3

W

3

K

2

Zr

1

Mg

1

Mn

2

L.O.I

0.1

Size

-60mesh

 

 

 

 

Common grade Niobium Pentoxide
Nb2O5 99.5-99.9%
Impurity contained ( wt% max )

Grade(Nb2O5)

ECA

99.5-99.8%

99.9%

Al

0.005

0.002

0.002

Cr

0.003

0.003

0.002

Cu

0.005

0.005

0.002

F

0.1

0.1

0.08

Fe

0.01

0.02

0.005

Mn

0.002

0.005

0.002

Mo

0.002

0.003

0.002

Ni

0.005

0.02

0.002

Si

0.005

0.005

0.005

Ta

0.1

0.05

0.03

Ti

0.005

0.002

0.001

W

0.005

0.003

0.003

P

0.01

-

-

S

0.01

-

-

L.O.I

0.3

0.3

0.2

Fsss Size

<1um

<2um

<2um

Metallurgical grade Niobium Powder
Nb 99.5%min
Impurity contained ( wt% max )

Grade

Nb 99.5%min

Nb+Ta 98%min

C

0.05

0.08

H

0.005

0.01

O

0.25

0.5

N

0.06

-

Al

0.005

-

Cr

0.005

-

Cu

0.005

-

Fe

0.05

-

Mn

0.005

-

Mo

0.005

-

Ni

0.005

-

Si

0.01

-

Ta

0.5

-

Ti

0.003

P 0.01

W

0.005

S 0.01

Size

-100mesh

Niobium Ingot
Nb 99.9%min
Impurity contained ( wt% max )

C

0.02

H

0.002

O

0.02

N

0.02

Al

0.001

Cr

0.003

Fe

0.005

Mn

0.001

Mo

0.005

Ta

0.05

Ni

0.002

Si

0.005

Ti

0.002

W

0.01

Size

бщ 35-65*500mm