Specification of Ammonium PerRhenate
The number of Rhenium producers grow like mushrooms after summer rain but we still try to keep up-to-date information.

Impurities
ppm

MMTA

Russian GOST

Chinese grades

Typical* quality by

Western producers

Kazakhstan

Uzbekistan

Russia

China

Heraeus

Molymet

KGHM Ecoren

Phelps-Dodge

SEKOM

Impurities
ppm (max)

Basic

Catalyst

Metal

AP-0

AP-1

Super

Standard

Zhezkazgan

Shymkent

Navoi

Almalyk

Tchirchik

Vladikavkaz

Krasnoyarks

Angarsk

Roshal

Zhuzhou

Chengdu

Jiangxi

max.

catalyst

superalloy

typical

max.

typical

max.

Typical

Guaranteed

Ag


50








 

<1


 

<1






5

 

1


10




<5 

Ag

Al

500


10

5

20

0.1

1

<1

<5

0.4

5

2

4.5 - 5

1-8.5

2.9-4.5

2-20

1

1

10

30

<1

10

5



50

5

<10 

Al

As


30






<5

<5

<5

<1


 

<5


1



<5

5

 

5


20




<1 

As

B









<1

 

 





10




200

<1

1-3






<10 

B

Ba






0.1

1


<5

 

<1





10

1

1

20


 



10




<1 

Ba

Be






0.1

1


<5

 

 






1

1



 







<5 

Be

Bi








<5


 

<1





0.3



<5

1

 

1






<1

Bi

C









<50

 

 









30

14

30






<30 

C

Ca

500

50

10

10

30

0.5

5

<1

4

<1

10

2

4 - 8

<60

1 - 9

0.3-7

5

5

5-10

5

<1

5

2

10


15

5

<1 

Ca

Cd






0.1

2

<1

<1

 

<1



<1

110++

10

2


<2

50

 

10

2

10




<5

Cd

Cl


100








 

 


 

<100






50

 

50


50




<1 

Cl

Co


50

5



0.1

1

<1

<5

<1

<1



<1


10

1

1

<2

100

 

10

2

10




<10 

Co

Cr


50

5



0.1

1

<2

<5

<2

<1



<2


10

1

1

<2

100

 

5

2

10




<10 

Cr

Cu

500

50

5

0.5

10

0.1

1

0.5

0.5

0.2

0.5

1

1 - 2

0.2

0.5-1.5

<0.

1

1

2-5

50

 

5

2

5


15

7

<5 

Cu

Fe

500

50

20

5

10

0.5

5

<1

<2

<1

5

20 - 24

7 - 9

1-3

3-9

2-10

5

5

5-10

50

10

5

3

5


50

20

<20 

Fe

Ga










 

<1





10




50

 

5






 

Ga

Hf










 

<1





10




200

 

5






<5 

Hf

Hg










 

 









10

 

10


1




 

Hg

In










 

<1









50

 

20






<0.1 

In

Ir


75








 

 


 

<5







 



50




 

Ir

K

500

200

20

50

100

0.5

5

45-50

6

<16

8-61

61 - 68

10

8-60

50-270++

10-160

5

5

10-12

10

 

5

10

20


15

7

<10 

K

Mg

500

50

5

2

20

0.1

2

<1

2

<1

2


1 - 2

<1

0.4-0.7

0.1-1

2

2

5

100

<1

10

2

5


7

1

<5 

Mg

Mn

500

50

5

1

20

0.1

1

<1

1

<1

1


1

0.1

0.2

0.1-1

1

1

3-5

20

 

5

2

5




<5 

Mn

Mo

500

100

20

5

100

0.5

5

<1

5

<1

5-16

5 - 8

1.5 - 30

<2

5-10

0.7-10

5

5

9-10

50

<3

10

10

5


150

35

<35 

Mo

Na

500

50

5

10

20

0.5

5

<1

<5

<5

9

5

10

1-6

5

<2

5

5

10-20

10

<3

3-4

2

5


20

1

<1 

Na

Nb










 

<1





10




200

 

2






<5 

Nb

Ni

500

50

5

2

20

0.1

1

<2

<2

<2

2

2

1 - 3

0.2

0.2-0.5

0.5-6

1

1

2-5

20

<1

5

2

5


15

7

<10 

Ni

P

500

20

20

10




<5

<5

<5

<1


10

5-10

3-4

8-9



<10

30

<3

10


50




<10 

P

Pb


30




0.1

1

<5

<5

 

<1



<2

250++

10

1

1

5-6

2

 

2

2

5


7

5

<2 

Pb

Pd


50








 

 



<2







 



10




 

Pd

Pt






0.1

1


<5

 

 



39-70



1

1



 



10




 

Pt

Rh


50








 

 



<2







 



10




 

Rh

Ru


50








 

 



<2







 



10




 

Ru

S

500



20

50



100

<10

50

13-20

5

20

10-38

5

0.1



<10

15

<10

15


20




<10 

S

Sb


30




0.1

2

<5

<5

 

<1



<2


3

2

2

<5

5

 

5


10




<0.1 

Sb

Se








<5


 

<5





2




5

<2

5


20




<0.1 

Se

Si

500

50

30

10

20



1

<10

<10

10

10

4.5 - 9

6-12

1

2-<10


10

10

20

<5

10

10

20


10

10

<5 

Si

Sn


50




0.1

1

<5

<5

 

<1



<2


2

1

1

<5

10

 

10


10


3

1

<0.1 

Sn

Sr










 

 





10





 







<0.1 

Sr

Ta










 

<10





10




200

<10

20






<20 

Ta

Te










 

<1









1

<0.5

1






<5 

Te

Th










<5

<1









10

 

10






<20 

Th

Ti






0.1

1

<1

<5

 

<1





10

1

1


50

3

5


10




<5 

Ti

Tl










 

<1









1

<1

1






<0.1 

Tl

U                   <5                                      

V








<1


 

<1





10




200

 

5


50




<0.1 

V

W



5



0.5

5


<5

<5

<1



<5



5

5

<10

50

<8

10

10

20




<20 

W

Zn


50

5



0.1

2

20

<5

<1

<1

2


10

210++

3

2

2

0.5

50

<1

10

2

5




<20 

Zn

Zr










<1

<1





10



<2

30

<1

5






<1 

Zr

H2O

0.10%

0.10%

0.10%





0.03%

0.00-0.02%

0.011%

0.042%

0.02%

0.17%



0.7-0.8%



<0.01%


 


120

0.1%




<0.2% 

H2O

Re min.
(NH4ReO4)

69.0%

68.5-
69.8%

69.0%

69.0%

68.5-
69.0%

99.999%
69.41%

99.99%

69.2-
69.3%

69.0-
69.40%

69.14%

69.3%

69.15-
69.25%

69.0-
69.1%

69.40-69.41%

67.9-
69.3%

69.0-
69.4%


69.4%

69.3-69.4%

69.2-
69.4%

 

69.4%

69.4%

69.4%


99.95%

69.39%

99.99% 

Re min.
(NH4ReO4)

*Typical quality according to producer or neutral assayer quality certificates.

++On specific lots we measured extreme high values for this impurities, however most of the cases these values are in the range of specification AR-0