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Industrial Hydrofluoric Acid
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1. Brief introduction of Industrial Hydrofluoric Acid
Hydrofluoric Acid (CAS NO.7664-39-3) is a inorganic acids and appears colourless gas with a pungent odour or colorless transparent fuming liquid. Industrial Hydrofluoric Acid means the Hydrofluoric Acid in industrial grade. Most, this chemical can be produced in Industrial grade, electronic grade in the hydrofluoric acid market. Hydrofluoric Acid is stable and incompatible with glass, alkali metals, light metals, alkaline earth metals. The hydrofluoric acid market in China is enormous for this chemical can be used admeasurement SiO2 and some chemical analysis.
2. How to get the Industrial Hydrofluoric Acid?
Hydrofluoric acid can be got by treatment of the mineral fluorite (CaF2) with concentrated sulfuric acid. When combined at 265 °C, these two substances will react to produce hydrogen fluoride and calcium sulfate according to the following chemical equation:
CaF2 + H2SO4 → 2 HF + CaSO4
Xinxiang Yellow River Fine Chemical Industry Co., Ltd ,founded in 1992, is a leading fluoride manufacturing base in China. Its industrial Hydrofluoric Acid is on the top purity of 99.8%. The detailed specification is as follows:
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.
And the specifications of Anhydrous hydrofluoric acid:
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
Verified Supplier
Henan Yellow River New Material Technology Co.Ltd.
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- Country:
China (Mainland) - Year Established: 1992
- Business License:
- Business type: Trading Company
- Integral:
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