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A.C.S. REAGENT CHEMICALS FOR INDUSTRY

S P E C I F I C A T I O N S

RHENIUM DIOXIDE
DESCRIPTION

            Rhenium Dioxide is a reddish brown powder represented by the formula
     ReO2. It is insoluble in water and aqueous alkalis, but it is readily
     attacked by oxidizing acids and alkaline hydrogen peroxide solutions to
     give the perrhenate ion.

            The specific gravity is 11.4 gm/cc. Rhenium Dioxide sublimes at an
     estimated temperature of 1363° C (2485° F).


CHEMICAL SPECIFICATIONS AND TYPICAL ANALYSIS

TYPICAL
 
SPECIFICATIONS
Element

Assay

 
Maximum Limits

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Aluminum, Al . . . . . . . . . . . .
< 5 ppm
50 ppm
Calcium, Ca . . . . . . . . . . . . .
< 5 ppm
 
15 ppm
 
 
Copper, Cu . . . . . . . . . . . . . .
< 7 ppm
 
15 ppm
Iron, Fe . . . . . . . . . . . . . . . .
< 20 ppm
 
50 ppm
 
 
Lead, Pb . . . . . . . . . . . . . . .
< 5 ppm
 
7 ppm
Magnesium, Mg . . . . . . . . . .
< 1 ppm
 

7 ppm

 
 
Molybdenium, Mo . . . . . . . .
< 35 ppm
 
100 ppm
Nickel, Ni . . . . . . . . . . . . . .
< 7 ppm
 
15 ppm
 
 
Potassium, K . . . . . . . . . . . .
< 1 ppm
 
20 ppm
Silicon, Si . . . . . . . . . . . . . .
< 10 ppm
 
10 ppm
 
 
Sodium, Na. . . . . . . . . . . . . .
< 1 ppm
 
20 ppm
Tin, Sn . . . . . . . . . . . . . . . .
< 1 ppm
 
3 ppm

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