Study Set Content:
This describes the process of pouring liquid a liquid from one container into another in such a way as to leave the sediment behind undisturbed.
DECANTATION
This is a colloidal system consisting of dispersed particles and the medium in which they are suspended.
DISPERSION
This is a term you will often come across in the aromatherapy industry, where the difference in the boiling point of various substances is utilized to separate those substances.
DISTILLATION
involves the process of () followed by a process known as (), the condensed material is referred to as the distillate, and the remaining material is known as the ()
vaporization , condensation, residue.
In the aromatherapy industry, the distillate is the essential oils and the remaining material is known as a
hydrolat.
A substance that allows two immiscible liquids to come together, usually oil and water in order to combine to form a stable suspension.
EMULSIFIER
This is when a suspension in both phases consist of immiscible liquids.
EMULSION
A biological catalyst.
ENZYME
A process used to separate two components, as long as one component is an insoluble solid. ¨ The method involves the mixture being passed through a filter, which allows the liquid component known as the filtrate to pass through the filter, whilst preventing the residue or solid part of the substance to pass through.
FILTRATION
This is a term often used in cosmetic formulation, which means a mixture that has a uniform composition, where the constituents are all in one phase.
HOMOGENOUS
This is a non-uniform composition, whose constituents are all in more than one phase
HETEROGENEOUS
This is the term used where a substance combines with hydrogen.
HYDROGENATION
Oil is often hydrogenated to produce fat, for instance, unsaturated fat and hydrogen creates () – a process often coined as hardening when producing a block of margarine.
saturated fat
Attracts water.
HYDROPHILIC
Repels water.
HYDROPHOBIC
Does not dissolve.
IMMISCIBLE
A measurement of energy.
JOULE
Attracts fats or oils.
LIPOPHILIC
Repels fats or oils.
LIPOPHOBIC
Able to be mixed.
MISCIBLE
