polar substance

polar substance

any organic substance that combines readily with water. This is due to the presence of side groups of organic molecules that contain the electrical charge of hydroxyl groups.
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References in periodicals archive ?
Dissolution in water, a polar substance leads to a concentration around its molecules of free water molecules.
If an organic polar substance is not delivered simultaneously, water molecules begin to prevail.
If moisture, also a polar substance, is present, you get two mini-magnets that attract each other.
As a trained chemist and chemical engineer, I learned a long time ago that a polar substance does not mix with a non-polar substance.
The energetics would resemble the solvation of a polar substance (dions) in a solvent, with an additional force due to the applied electric field.
The extraction principle is to dissolve the polar substances in polar solvents and non-polar substances in non-polar solvents [14].
Stripped from the bells and whistles of sophisticated high-end instrumentation, the Chromatograph is built for the routine analysis of anions, cations and polar substances.
Capillary electrophoresis - apparatus for electrophoretic separation and identification of polar substances from small to large molecules to 60 kDa.
EPDM exhibits beneficial characteristics such as resistance to ozone, heat, polar substances and weather.
It can facilitate the uptake and thus bioavailability of polar substances in cells (Makkar et al.
The new method to detect melamine contamination in food relies on the high accuracy and sensitivity of the 844 UV/VIS Compact IC, Metrohm's all-in-one system for the spectrophotometric determination of polar substances, anions and cations.
Layers formed by physically adsorbed polar substances like fatty oils, fatty acids and the others exhibit only poor or moderately high pressure properties.