Assay(HF) 47-51%
Color ≤ 10APHA
Cl- ≤ 4ppm SiF6 ≤ 20ppm
P ≤ 0.05ppm S ≤ 0.1ppm
MAXIMUM LIMIT OF IMPURITIES(ppb)
AI≤1 B≤1 Ca≤1 Cr≤1 Fe≤1 Hg≤1
K≤1 Mg≤1 Na≤1 Se≤1 Ti≤1 Zn≤1
Ag≤0.5 As≤0.5 Au≤0.2 Ba≤0.1 Be≤0.1
Bi≤0.1 Cd≤0.1 Ce≤0.1 Co≤0.1 Cs≤0.1
Cu≤0.5 Dy≤0.1 Er≤0.1 Eu≤0.1 Ga≤0.1
Gd≤0.1 Ge≤0.1 Hf≤0.1 Ho≤0.1 ln≤0.1
La≤0.1 Li≤0.1 Lu≤0.1 Mn≤0.1 Mo≤0.1
Nb≤0.1 Nd≤0.1 Ni≤0.5 Pb≤0.1 Pd≤0.2
Pr≤0.1 Pt≤0.2 Rb≤0.1 Re≤0.1 Rh≤0.1
Ru≤0.1 Sb≤0.2 Sc≤0.1 Sm≤0.1 Sn≤0.5
Sr≤0.1 Tb≤0.1 Te≤0.1 Th≤0.1 TI≤0.1
Tm≤0.1 U≤0.1 V≤0.1 W≤0.5 Y≤0.1
Yb≤0.1 Zr≤0.1 Ta Information Only