Acute Bronchitis

Symptoms Acute bronchitis is an inflammation of the bronchial tubes. The leading symptom is a cough that is first dry and later often productive. Other symptoms include difficulty breathing, sounds when breathing (whistling, rattling), feeling sick, hoarseness, fever, chest pain, and accompanying symptoms of the common cold or flu. The disease is usually self-limiting, so … Acute Bronchitis

Sodium Carbonate (Soda Ash)

Products Sodium carbonate or soda ash is available as a pure substance in pharmacies and drugstores. The various products differ in the bound crystal water. In pharmaceuticals, it is included as an excipient. Structure and properties Sodium carbonate (Na2CO3, Mr = 105.988 g/mol) exists as a white, crystalline, odorless, and highly hygroscopic powder that is … Sodium Carbonate (Soda Ash)