The term liquid chromatography (LC) refers to a class of physicochemical methods which are used to separate and quantify compounds in a sample. LC is made up of a liquid mobile phase, which carries ...
High-performance liquid chromatography-mass spectrometry (HPLC-MS) combines the separation power of LC with the detection specificity of MS. It has become an indispensable analytical tool in the ...
When choline chloride and urea--both solids--are mixed together in a molar ratio of 1:2, a liquid mixture is formed that freezes at 12 C. As pure compounds, choline chloride ([HOCH 2 CH 2 N(CH 3) 3] + ...
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