Demand Flow Regulator

…to the concentration of the reactant gas, ie, the higher the gas concentration, the darker is the stain. By carefully regulating both the sampling interval and the flow rate at which the sample is presented to the Chemcassette®, detection levels as low as partsper-billion (ie, 10 -9) can…

…higher than in ozone-free controls. The data indicated that ozone triggered protective mechanisms against oxidative stress in citrus." Safety regulations Due to the strongly oxidizing properties of ozone, ozone is a primary irritant, affecting especially the eyes and respiratory systems and can be…

…depleted by decaying algae and other biomaterials. Scientists assess this aspect of water quality by measuring the water's biochemical oxygen demand, or the amount of O 2 needed to restore it to a normal concentration. Biological role Photosynthesis and respiration In nature, free oxygen…