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 (max) 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 grade supper alloy typical max. typical max. Typical Guaranteed
(max)
Ag
50






  <1
  <1




5   1
10


<5  Ag
Al 500
10 5 20 0.1 1 1 <5 0.4 1 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   <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








  <1



0.3

<5 1   1




<1
Bi
C







<50    







30 14 30




<30  C
Ca 500 50 10 10 30 0.5 5 10 4 2 <3 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

<1 110++ 10 2
<2 50   10 2 10


<5
Cd
Cl
100






   
  <100




50   50
50


<1  Cl
Co
50 5

0.1 1
<5   <1

<1
10 1 1 <2 100   10 2 10


<10  Co
Cr
50 5

0.1 1
<5   <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 <1 1 1 - 2 0.2 0.5-1.5 <0.2 1 1 2-5 50   5 2 5
15 7 <5  Cu
Fe 500 50 20 5 10 0.5 5 5 <2 4 <1 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 6 4 <10 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 0.7 <1
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 0.2 <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 5 5 0.2 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 5 <5 4 <2 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 0.4 <1 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


10 <5 0.83 <1
10 5-10 3-4 8-9

<10 30 <3 10
50


<10  P
Pb
30


0.1 1   <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

20 <10 18 13 5 20 10-38 5 0.1

<10 15 <10 15
20


<10  S
Sb
30


0.1 2
<5   <1

<2
3 2 2 <5 5   5
10


<0.1  Sb
Se








  <5



2


5 <2 5
20


<0.1  Se
Si 500 50 30 10 20

1 <10 10 <2 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   <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








  <1







10   10




<20  Th
Ti




0.1 1
<5   <1



10 1 1
50 3 5
10


<5  Ti
Tl








  <1







1 <1 1




<0.1  Tl
V








  <1



10


200   5
50


<0.1  V
W

5

0.5 5
<5   <1

<5

5 5 <10 50 <8 10 10 20


<20  W
Zn
50 5

0.1 2
<5   <1 2
10 210++ 3 2 2 0.5 50 <1 10 2 5


<20  Zn
Zr








  <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% 69.1-
69.2%		 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

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