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.
Dryness of nasal passages leads to a variety of bothersome nasal symptoms. These include burning sensations inside the nose, accumulation of dry and crusty mucus, and nasal congestion. Blood flow to the nasal mucosa may also be altered in dry nasal conditions, leading to burning sensations.