Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M
Nitrite
D010783
Photometry
Measurement of the various properties of light.
Photometries
D006851
Hydrochloric Acid
A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.