Hydrofluoric acid

Hydrofluoric acid Molecular Formula:HF Molecular Weight:20.01 Properties:colorless transparent fuming liquid, relative density: 1.128(40%). corrosive to glass and silicate; can react with metal salts, oxides and hydroxide and generate fluorides. Highly toxic! Specifications: Industrial hydrofluoric acid GB7744-1998 Item Name Details Best quality First quality Qualifier HF-40 HF-55 HF-40 HF-55 Hydrogen fluoride %≥ 40.0 40.0 55.0 40.0 55.0 Hydrofluosilicic acid %≤ 0.02 0.2 0.5 2.5 5.0 Fixed acid(H2SO4) %≤ 0.02 0.05 0.08 1.0 2.0 * The HF content range from 40% to 70% upon clients’ request. Packing: In corrosion-resistant plastic bottle or plastic drum; stored in draughty place, temp.: below 30℃, relative humidity: 85% below. Avoid dampness, heating or rain; handle with care, prevent from impact or up-side-down. Use:Mainly used in the manufacture of inorganic fluorides, metallurgical analysis, silicon compounds analysis etc. Specifications: Anhydrous hydrofluoric acid Item Name Details A B C Hydrofluoric Content ppm ≥ 99.99 99.95 99.90 Moisture ppm≤ 50 300 600 Fluorsoilicic Acid ppm≤ 30 100 200 Sulfur dioxide(SO2) ppm≤ 20 70 150 Non-volatile Acid(H2SO4) ppm≤ 20 50 200 As ppm ≤ 5 10 Packing: ISO Tank/Cylinder



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