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Reagent hydrofluoric acid

 

molecular formula: HF

Physical property:  molecular weight:  20.01; colorless transparent liquid with strong irritant odor, heavy toxic

Quality index (GB 620-2011):

Item
guarantee reagent analytically pure chemically pure
hydrogen fluoride content,%≥ main content no less than 40%
ignition residue (in HCI),%≤ 0.001 0.002 0.01
chloride (Cl),%≤ 0.0005 0.001 0.005
sulfate and sulfite (SO4) ,%≤ 0.001 0.002 0.005
phosphate (PO4),%≤ 0.0001 0.0002 0.0005
fluosilicate (SiO3) ,%≤ 0.02 0.04 0.05
ferrum (Fe) ,%≤ 0.00005 0.0001 0.0005
heavy metal(in Pb) ,%≤ 0.0001 0.0005 0.001

Uses:  as laboratory reagent; in manufacturing of semiconductor component in electronic industry

Packing specification: polyethylene plastic drum; 10kg/drum, 25kg/drum, 200kg/drum:; plastic drum: 200L/drum; 1000L IBC drum

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