Hydrofluoric (HF) acid, one of the strongest inorganic acids, is used mainly for industrial purposes (eg, glass etching, metal cleaning, electronics manufacturing). Hydrofluoric acid also may be found in home rust removers. Exposure usually is unintentional and often is due to inadequate use of protective measures.
It can be difficult to pinpoint the exact cause of a burning smell in nose. Thatâs because the potential causes are many. One possible explanation for this symptom is sinus congestion. A lot of people suffer from this, so you shouldnât rule it out. People with sinus problems sometimes smell things that arenât there, too.
Hello and hope you are doing well. Your symptoms of altered smell in the nose could be due to sinus infections. They are due to stasis and infection of the sinus cavities, and the resultant drainage into the nose causes the bad smell. Facial pain, fever and nasal discharge are the other symptoms of sinusitis.