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Inorganic Chemicals
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    Hydrofluoric acid
Details

Product Name: Hydrofluoric acid                       level: AR / CP

Implementation of the standards: GB / T 620-2011

Molecular formula: HF

Properties: This reagent is colorless, aqueous solution of hydrogen fluoride, irritating odor, corrosive, toxic, strongly erode glass or silicon material.

Hazardous characteristics: This product is non-combustible, but it can react with most metals to produce hydrogen gas and cause an explosion. H foam immediately encountered combustion. Highly corrosive.

Incompatibility: strong base, active metal powder, glass products.


Items

Indicators

AR

CP

content(HF),W/%              ≥

40.0

40.0

Residue on ignition (Sulfate),W/%    ≤

0.002

0.01

chloride(CL),W/%            ≤

0.001

0.005

Sulphate and sulphite (of SO4),W/%  ≤   

0.002

0.005

Phosphate(PO4),W/%              ≤

0.0002

0.0005

Fluorosilicate(SiF6),W/%            ≤

0.04

0.06

iron(Fe),W/%                ≤

0.0001

0.0005

Heavy Metals (as Pb), W/%          ≤

0.0005

0.001