Columbus Chemical Industries' Krystal pure nitric acid is a custom specification for the Semiconductor and Electronics market, featuring low trace metal content reported to ppb limits and low particle counts. Columbus Chemical Industries operates nitric acid distillation at both our Columbus, WI and Phoenix, AZ facilities.
ITEM SPECIFICATIONS
"Appearance : Clear, colorless liquid"
Manufacture Date : XX/XX/XX
Assay (HNO3) : 69.0 - 70.0%
Expiration Date : 1 year from Manufacture Date
Color (APHA) : 10 max.
Residue After Ignition : 2 ppm max.
Chloride (Cl) : 0.08 ppm max.
Phosphate (PO4) : 0.1 ppm max.
Sulfate (SO4) : 0.2 ppm max.
Aluminum (Al) : 40 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) : 50 ppb max.
Calcium (Ca) : 50 ppb max.
Chromium (Cr) : 30 ppb max.
Cobalt (Co) : 10 ppb max.
Copper (Cu) : 10 ppb max.
Gallium (Ga) : 10 ppb max
Germanium (Ge) : 20 ppb max.
Gold (Au) : 20 ppb max.
Heavy Metals (as Pb) : 100 ppb max.
Iron (Fe) : 40 ppb max.
Lead (Pb) : 20 ppb max.
Lithium (Li) : 10 ppb max.
Magnesium (Mg) : 20 ppb max.
Manganese (Mn) : 10 ppb max.
Nickel (Ni) : 20 ppb max.
Niobium (Nb) : 50 ppb max.
Potassium (K) : 50 ppb max.
Silicon (Si) : 50 ppb max.
Silver (Ag) : 20 ppb max.
Sodium (Na) : 150 ppb max.
Strontium (Sr) : 30 ppb max.
Tantalum (Ta) : 10 ppb max.
Thallium (Tl) : 10 ppb max.
Tin (Sn) : 20 ppb max.
Titanium (Ti) : 10 ppb max.
Vanadium (V) : 10 ppb max.
Zinc (Zn) : 20 ppb max.
Zirconium (Zr) : 10 ppb max.
Particles (> 0.5 micron) : 60 particles/mL max.
Particles (? 1.0 micron) : 10 particles/mL max.