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Boric acid (Russian Origin) 99.9% Suppliers

boric  acid  (russian origin)  99.9%

TYPICAL QUALITY DATA
No.    Parameters    U.M.    Guaranteed value
1    Appearance        Free flowing white crystals
2    Main substance (H3BO3) content, min    %    99,9
3    Boric anhydride (B2O3), min    %    56,25
4    Sulphates, as SO42-, max    %    0,008
5    Chlorides, as Cl-, max    %    0,001
6    Iron (Fe), max    %    0,0005
7    Calcium (Ca), max    %    0,005
8    Total heavy metals as Pb content, max:    %    0,001
9    Arsenic (As), max    %    0,0002
10    Phosphates, as PO43-, max    %    0,001
11    Insolubles in water, max    %    0,005

GRANULOMETRY
TYPE  <KRUPNAYA> / <GRANULAR>     TYPE <RYADOVAYA> / <POWDER>
Residue on sieve:        Residue on sieve:    
0,075 mm or 200 mesh, min    90 %    0,400 mm  or  40 mesh, max    10 %
        0,063 mm  or  230 mesh, min    70 %
        Residue under sieve:    
        0,063 mm  or  230 mesh, max    30 %
 

CAS Number:10043-35-3
Appearance: white powder

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Boric