For Microelectronic Use:
95.0 - 97.0 %
Recommended Storage Conditions: 15° - 100°F:
= 10
Assay (H₂SO₄):
95.0 - 97.0 %
Color (APHA):
≤10
Residue after Ignition:
≤2 ppm
Chloride (Cl):
≤0.1 ppm
Nitrate (NO₃):
≤0.2 ppm
Phosphate (PO₄):
≤0.3 ppm
Trace Impurities - Aluminum (Al):
≤50.0 ppb
Arsenic and Antimony (as As):
≤5.0 ppb
Trace Impurities - Barium (Ba):
≤10.0 ppb
Trace Impurities - Beryllium (Be):
≤10.0 ppb
Trace Impurities - Bismuth (Bi):
≤20.0 ppb
Trace Impurities - Boron (B):
≤10.0 ppb
Trace Impurities - Cadmium (Cd):
≤10.0 ppb
Trace Impurities - Calcium (Ca):
≤50.0 ppb
Trace Impurities - Chromium (Cr):
≤50 ppb
Trace Impurities - Cobalt (Co):
≤10.0 ppb
Trace Impurities - Copper (Cu):
≤10.0 ppb
Trace Impurities - Gallium (Ga):
≤10.0 ppb
Trace Impurities - Germanium (Ge):
≤10.0 ppb
Trace Impurities - Gold (Au):
≤20 ppb
Heavy Metals (as Pb):
≤200.0 ppb
Trace Impurities - Iron (Fe):
≤100.0 ppb
Trace Impurities - Lead (Pb):
≤20.0 ppb
Trace Impurities - Lithium (Li):
≤10.0 ppb
Trace Impurities - Magnesium (Mg):
≤50.0 ppb
Trace Impurities - Manganese (Mn):
≤10.0 ppb
Trace Impurities - Mercury (Hg):
≤5.0 ppb
Trace Impurities - Molybdenum (Mo):
≤10.0 ppb
Trace Impurities - Nickel (Ni):
≤10.0 ppb
Trace Impurities - Niobium (Nb):
≤10.0 ppb
Trace Impurities - Potassium (K):
≤50 ppb
Trace Impurities - Silicon (Si):
≤50 ppb
Trace Impurities - Silver (Ag):
≤10.0 ppb
Trace Impurities - Sodium (Na):
≤100.0 ppb
Trace Impurities - Strontium (Sr):
≤10.0 ppb
Trace Impurities - Tantalum (Ta):
≤10.0 ppb
Trace Impurities - Thallium (Tl):
≤20.0 ppb
Trace Impurities - Tin (Sn):
≤50 ppb
Trace Impurities - Titanium (Ti):
≤10.0 ppb
Trace Impurities - Vanadium (V):
≤10.0 ppb
Trace Impurities - Zinc (Zn):
≤50 ppb
Trace Impurities - Zirconium (Zr):
≤10.0 ppb
Particle Count - 0.5 µm and greater:
≤60 par/ml
Particle Count - 1.0 µm and greater:
≤10 par/ml