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10-18 -

- 4- (/ )

-  4-     (/ )
-  4-     (/ )
. .
341 .
:    
KNa446 42

:     , , , , , , .

    
    
(- ), %,     99,0-100,0
- 1%,     7,0-8,5
, %,     0,005
( ), %,     21,0-26,0
, ( ), %,     0,01
, %,     0,001
(Fe)    0,0005
(As)    0,0001
(Hg)    0,0001
(Pb)    0,0002
(r)    0,0001
    2
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