... and glucuronic acid. The commercial HA is commonly a sodium salt, called sodium hyaluronate. HA is widely found in the extracellular ... our company, eg. ISO9001, ISO14001, OHSAS18001, KOSHER HALAL, HACCP.. Sodium Hyaluronate Main Quality IndexItemsCosmetic GradeFood GradeMedicine GradeLow Molecule GradeAppearanceWhite PowderWhite ... 56.0-7.5Heavy Metal(as Pb)<10µg/g<10µg/g<10µg/g<10µg/gArsenic<2µg/g<2µ ...