An organ in the lymphatic system, in the upper left part of the abdomen, that filters out harmful substances from the blood. The spleen also produces white blood cells, removes worn-out red blood cells from circulation, and maintains a reserve blood supply for the body.
The solubility of stearic acid infour solvents in order of increasing solubility ismethanol, acetone, ethanol and ethyl acetate. Thissolubility behavior may be explained by consideringthe polarity and hydrogen bonding properties of thesystem.
Ethanol for disinfection. Aside from substantial differences in cost, it doesnât really matter which ethanol grade you use for disinfection, so most labs use a denatured stock. What does matter is the final concentration of ethanol. Ethanol is an effective disinfectant at concentrations between 70% and 90%.