anhydrous hydrofluoric acid,Aqueous hydrofluoric acid

HF / Hydrofluoric Acid Used in Pre-commissioning Boilers Specifications: ELEMENTS SUPERIOR GRADE I GRADE II HF-40 HF-40 HF-55 HF-60 HF-40 HF-55 HF-60 HF-%min 40 40 55 60 40 55 60 H2SiF6-%max 0.02 0.2 0.5 0.5 0.6 1.0 1.0 H2SO4-%max 0.02 0.05 0.08 0.1 0.6 0.8 1.0 Fe-%max 0.005 0.01 -- -- -- -- -- Description: Hydrofluoric acid (HF) is a solution of hydrogen fluoride in water. It is a valued source of fluorine and is a precursor to numerous pharmaceuticals such as fluoxetine