| Acidity (as Acetic acid) |
<= 0.002% |
| Color (APHA Pt-Co) |
<= 10 |
| Assay (GC on anhydrous basis) |
>= 99.7% |
| Subs. darkened by Sulfuric Acid |
Complying |
| Sulfur compounds (as S) |
<= 0.003% |
| Water (KF) |
<= 0.03%w/w |
| Aluminum (Al) |
<= 0.5ppm |
| Boron (B) |
<= 0.02ppm |
| Barium (Ba) |
<= 0.1ppm |
| Calcium (Ca) |
<= 0.5ppm |
| Cadmium (Cd) |
<= 0.05ppm |
| Cobalt (Co) |
<= 0.02ppm |
| Chromium (Cr) |
<= 0.02ppm |
| Copper (Cu) |
<= 0.02ppm |
| Iron (Fe) |
<= 0.1ppm |
| Magnesium (Mg) |
<= 0.1ppm |
| Manganese (Mn) |
<= 0.02ppm |
| Nickel (Ni) |
<= 0.02ppm |
| Lead (Pb) |
<= 0.1ppm |
| Tin (Sn) |
<= 0.1ppm |
| Zinc (Zn) |
<= 0.1ppm |
| Residue after evaporation |
<= 0.0003%w/w |
