Ixodes holocyclus tick might "squeeze" saliva and gut contents into the host. Specifically, application of methylated spirit, nail polish remover, turpentine or ti-tree oil is thought to irritate the tick and make it inject more of the noxious substances. Spreading butter or oil over the tick is no longer recommended either. Application of pyrethrin (or pyrethroid) insecticides has been suggested 'as a narcotic and a toxicant, which prevents the tick from injecting its saliva' but with this method the tick may remain physically attached for 24 hrs before it drops off dead. Do not use pyrethrin containing products on cats as this
Ionic compound constituents, which showed good correspondence to thermochemical measurements, further supporting the assumption. Ionic compounds can be produced from their constituent ions by evaporation, precipitation, or freezing. Reactive metals such as the alkali metals can react directly with the highly electronegative halogen gases to form an ionic product. They can also be synthesized as the product of a high temperature reaction between solids. If the ionic compound is soluble in a solvent, it can be obtained as a solid compound by evaporating the solvent from this electrolyte solution. As the solvent is evaporated, the ions do not go into the vapour,