Columbus Chemical Industries' Krystal pure sulfuric acid is a custom specification for the semiconductor and electronics market, featuring low trace metal content reported to ppb limits and low particle counts.
ITEM SPECIFICATIONS
Assay (H2SO4) : 95.0 - 97.0%
Color (APHA) : 10 max.
Residue After Ignition : 2 ppm max.
Chloride (Cl) : 0.1 ppm max.
Nitrate (NO3) : 0.2 ppm max.
Phosphate (PO4) : 0.3 ppm max.
Aluminum (Al) : 50 ppb max.
Arsenic and Antimony (as As) : 5 ppb max.
Barium (Ba) : 10 ppb max.
Beryllium (Be) : 10 ppb max.
Bismuth (Bi) : 20 ppb max.
Boron (B) : 10 ppb max.
Cadmium (Cd) : 10 ppb max.
Calcium (Ca) : 50 ppb max.
Chromium (Cr) : 50 ppb max.
Cobalt (Co) : 10 ppb max.
Copper (Cu) : 10 ppb max.
Gallium (Ga) : 10 ppb max
Germanium (Ge) : 10 ppb max.
Gold (Au) : 20 ppb max.
Heavy Metals (as Pb) : 200 ppb max.
Iron (Fe) : 100 ppb max.
Lead (Pb) : 20 ppb max.
Lithium (Li) : 10 ppb max.
Magnesium (Mg) : 50 ppb max.
Manganese (Mn) : 10 ppb max.
Mercury (Hg) : 5 ppb max.
Molybdenum (Mo) : 10 ppb max.
Nickel (Ni) : 10 ppb max.
Niobium (Nb) : 10 ppb max.
Potassium (K) : 50 ppb max.
Silicon (Si) : 50 ppb max.
Silver (Ag) : 10 ppb max.
Sodium (Na) : 100 ppb max.
Strontium (Sr) : 10 ppb max.
Tantalum (Ta) : 10 ppb max.
Thallium (Tl) : 20 ppb max.
Tin (Sn) : 50 ppb max.
Titanium (Ti) : 10 ppb max.
Vanadium (V) : 10 ppb max.
Zinc (Zn) : 50 ppb max.
Zirconium (Zr) : 10 ppb max.
Particles (> 0.5 micron) : 150 particle/mL max.
Particles (? 1.0 micron) : 25 particles/mL max.
Manufacture Date : XX/XX/XXXX
Expiration Date : 2 years from manufacture date