Seven Proventil HFA (albuterol sulfate ... Between runs, each inhaler component was rinsed with methanol and allowed to dry before the next experiment. Five actuations were measured over 40 ...
Three Proventil HFA and three Ventolin HFA MDIs were stored ... but the emitted-particle size, dose per actuation, respirable mass, and nonrespirable mass were unaffected. The inhalers tested ...