4.120061
Potassium iodide
for analysis, ACS, ISO
KI               M.=166.01
CAS. No          7681-11-0

右边部分
Guarantee analysis
Minimum assay                   99.5%
pH of 5% solution               6.0-9.2
Maximum limit of impurities
Insoluble matter in H2O         0.003%
Reducing substances of I2 (I)   0.001%
Loss on drying at 150°C        0.2%
Nitrogen compounds (as N)       0.001%
Phosphate (PO4)                 0.001%
Sulfate (SO4)                   0.0025%
Iodate (IO3)                    0.0003%
Chloride and bromide (as Cl)    0.01%
As                              0.00001%
Heavy metals (as Pb)            0.0005%
Metals by ICP [mg/Kg (ppm)]
Ag    5    Co   5    Mg   5    Sn    5
Al    5    Cr   5    Mn   5    Sr    5
Au    5    Cu   5    Mo   5    Ti    5
B     5    Fe   2    Na   50   Tl    5
Ba    10   Ga   5    Ni   5    V     5
Be    5    Ge   5    Pb   5    Zn    5
Ca    10   Hg   5    Pt   5    Zr    5
Cd    5    In   5    Si   5