Malana /ma-la-na/ [3 sylls.] as a girls' name is pronounced ma-LAH-nah. It is of Hawaiian origin, and the meaning of Malana is buoyant, light.
The benefit of Type 5 indicators is the ability to provide a distinct pass/fail result providing the confidence of sterility prior to releasing the load. Type 5 indicators closely mimic biological monitoring but since they do not contain spores, will not replace the need for weekly biological testing.
Acid - base indicators (also known as pH indicators) are substances which change color with pH. They are usually weak acids or bases. Consider an indicator which is a weak acid, with the formula HIn. At equilibrium, the following chemical equation is established. The acid and its conjugate base have different colors. At low pH, the concentration of H3O+ is high and so the equilibrium position lies to the left.