الوصف

Classification Halide (Except Chloride) Type Other CAS No. ********3 Place of Origin Shandong, China (Mainland) Grade Standard Reagent Grade Purity *****0% color colorless It is primarily for the production of inorganic fluoride, metallurgical analysis and silicide analysisi HF Molecular formula:HF CAS NO.:********3 Molecular weight:*0.*1 Properties: This product is a kind of colorless, transparent and fuming liquid, and it's the aqueous solution of ***** relative density is 1.**8(*0%), and it has pungent ***** is a moderately strong ***** dilute solution , HF dissociates into ***** concentrated solution, HF polymerizes to H2F2, and H2F2 dissociates into H2F2=H+***** has strong corrosivity, and it can corrode glass and silicate resulting gaseous silicon ***** is extremely volatile, and it can retact with metal salts, oxides, hydroxides to produce ***** doesn't corrode polyethylene and platinum. Hydrofluoric acid can not do oxidation reaction, neither do reduction ***** is highly toxic, and when it touches skin, skin will fester. Technical specifications: Chemical reagent HF GB/T*******3 ITEM ***** ***** C.P HF content % ≥ *0.0 *0.0 *0.0 Ignition residue (sulphate)% ≤ 0.**1 0.**2 0.*1 Chloride(CL) % ≤ 0.***5 0.**1 0.**5 Sulphate and sulfite(SO4) % ≤ 0.**1 0.**2 0.**5 phosphate(PO4)% ≤ 0.***1 0.***2 0.**5 Fluosilicate(SiF6) % ≤ 0.*2 0.*4 0.*6 Fe % ≤ 0.****5 0.***1 0.***5 heavy metal (Pb) % ≤ 0.***1 0.***5 0.**1 Industry HF GB********8 ITEM INDEX Premium Grade First Grade Salable Grade HF**0 HF**5 HF**0 HF**5 HF content % ≥ *0.0 *0.0 *5.0 *0.0 *5.0 Fluosilicic acid content % ≥ 0.0 0.2 0.5 **5.0 5.0 Non-volatile acid(H2SO4) % ≤ 0.0 0.1 0.1 1.0 2.0 Package: This product is packaged in plastic bottles or barrels, and the thickness of barrel must exceed ***** should be stored in well ventilated ***** temperature shouldn't exceed *0, and relative humidity should be below *5%.It should be avoided damp, heat, rain in transportation. We should unload and pack lightly to prevent the collision and inversion. Application: It is primarily for the production of inorganic fluoride, metallurgical analysis and silicide ***** also can be used for glass engraving, plating, reagent, fermentation, ceramic processing, frosted light bulb production, metal casting sanding, the removal of graphite silicon, metal washing(Cubrassstainless steel and so on) and semiconductor productionGeSiand so on.