Test Specification Result
Appearance (Color) Brown to Black Brown-Black
Appearance (Form) Powder or Crystals Crystals
Titration with Na2S2O3 33.9 - 34.9 % 34.7 %
% Fe
ICP Major Analysis Confirmed Conforms
Confirms Iron Component
Purity Conforms Conforms
>=99.99% Based On Trace Metals
Analysis
Trace Metal Analysis ≤ 100.0 ppm 76.7 ppm
Aluminum (Al) 4.9 ppm
Calcium (Ca) 4.2 ppm
Chromium (Cr) 0.1 ppm
Copper (Cu) 47.8 ppm
Potassium (K) 3.5 ppm
Manganese (Mn) 2.0 ppm
Sodium (Na) 3.7 ppm
Nickel (Ni) 3.1 ppm
Lead (Pb) 0.4 ppm
Antimony (Sb) 0.2 ppm
Vanadium (V) 0.1 ppm
Zinc (Zn) 6.7 ppm