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Semiconductor sulfuric acid

Semiconductor Sulfuric Acid

Semiconductor Sulfuric Acid

When processing a wafer, organic and metal contaminants on the silicon surface are easily oxidized and removed by adding high-purity sulfuric acid.
Korea Zinc 17 lines in the Korea Zinc Onsan plants and is stably producing high-purity sulfuric acid.
Purpose of the Product
  • Cleaning and Etching for Semiconductor Manufacturing Process
  • Chemical & Fertilizer Industry
  • Metal Refining
  • Fiber Industry
  • Steel Making
  • Paper Manufacturing Industry
  • Spinning and Weaving Industry
Details
Standard Specification (%)
Assay 96.0 ± 0.5%
Metal Impurities
Arsenic (As) Antimony (Sb) Aluminum (Al) Barium (Ba) Berylium (Be) Bismuth (Bi) Cadmium (Cd)
0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max
Calcium (Ca) Chromium (Cr) Cobalt (Co) Copper (Cu) Potassium (K) Gallium (Ga) Germanium (Ge)
0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max
Gold (Au) Iron (Fe) Lead (Pb) Lithium (Li) Magnesium (Mg) Manganese (Mn) Molybdenum (Mo)
0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max
Nickel (Ni) Niobium (Nb) Zirconium (Zr) Selenium (Se) Silicon (Si) Silver (Ag) Sodium (Na)
0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max
Strontium (Sr) Tantalum (Ta) Thallium (Tl) Tin (Sn) Titanium (Ti) Vanadium (V) Zinc (Zn)
0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max 0.1Max
Packing Volume Construction of Material
ISO Container 12,000L Teflon Lined sus 304
IBC 1,000L
Drum 200L HDPE
Uses
Cleaning and Etching for Semiconductor Manufacturing Process