Bactericidal agents, such as the aminoglycosides, kill their target organisms and are thus distinguished from bacteriostatic agents, which only inhibit or delay the reproduction of bacteria, according to Michigan State University. As these agents approach their target infections differently, their effectiveness can vary considerably from one case to another.Continue Reading
Depending on their effects and relative safety, bactericides half multiple uses including being used as antibiotics, disinfectants or antiseptics. Antibiotic-class bactericides are a diverse group that includes penicillin, cephalosporins and the fluoroquinolone family. Bactericidal antiseptics are not strictly medicines in the way antibiotics are, but they can be used in contact with the human body. Some antiseptics that reliably kill bacteria are ethyl alcohol, peroxide and organic acids such as sorbic acid and lactic acid. Disinfectants are not intended for use in contact with human bodies, and so their effect on organic tissue is of less concern. Some of the most commonly used bactericidal disinfectants include bleach and active oxygen compounds, such as potassium persulfate and urea perhydrate.
Also in common use are phenol, also known as carbolic acid, and strong alkalis such as sodium, potassium and calcium hydroxide. Alkali-based bactericides are especially effective at temperatures greater than 60 degrees Celsius.Learn more about Solutions & Mixtures
Gelling agents are chemicals that, when added to oil, solidify the oil to create a rubber-like substance. Gelling agents are used to contain oil spills, as the rubberized material is easier to separate from water than oil. They can also be used for ground spills.Full Answer >
Unsaturated solutions are solutions that contain less solute than the actual amount of solute that the solvent can dissolve. If more solutes can be dissolved in the solution, the solution is still considered unsaturated. Every solute and solvent combination has its limit, and once this limit is reached, the substance is in a state that is called the saturation point.Full Answer >
Some examples of miscible solutions include water and organic compounds such as alcohols, aldehydes and ketones. Immiscible solutions include water and many types of oils. A miscible solution is any solution that can be mixed together to form one liquid phase. Immiscible solutions do not mix together and instead form separate layers.Full Answer >
Common commercial examples of concentrated solutions are hydrochloric acid and sulfuric acid. Hand soap, soft drinks and liquid medicine are concentrated solutions commonly found in the household.Full Answer >