An ideal example to demonstrate the principles is the phase spectrum of the heteronuclear diatomic molecule hydrogen chloride (HCl). When measuring the infrared radiation absorbed by a liquid or solid ...

The study evaluates near-infrared analysis of tablets nominally containing 4 mg of chlorpheniramine maleate and 10 mg of phenylephrine hydrochloride per dose. Near-infrared spectroscopy (NIRS) is an ...