4.120020
Sodium borohydride  98.0%
for the determination of hydride formers by AAS
NaBH4              M.=37.83
CAS No.            16940-66-2
UN 1426

Guarantee analysis
Assay (RT)                     ≥ 98.0 %
Identity                       passes test
Chloride (Cl)                  ≤ 0.5 %
Sulphate (SO4)                 ≤ 0.005 %
Heavy metals (as Pb)           ≤ 0.005 %
As              ≤ 0.001 %                Hg               ≤ 0.00001 %
Bi              ≤ 0.0005 %               Sb               ≤ 0.005 %
Fe              ≤ 0.005 %                Se               ≤ 0.0002 %