... and high quality concentrated sulfuric acid.2)Feature: Sub-white powder,odorless,tasteless,non-toxic3)Usage:♦Used for decoloring, refining and ... and catalysis of olefin.4)Specification: Test ItemQuality IndicesColorWhite/Gray/Light pinkTexturePowder Free acid (H2SO4), w%≤0.30Decolorizing power (Via rapeseed ...