Search results
Results from the WOW.Com Content Network
Example chromatogram showing signal as a function of retention time. In chromatography, resolution is a measure of the separation of two peaks of different retention time t in a chromatogram. [1] [2] [3] [4]
So what does this mean? It means that to increase resolution of two peaks on a chromatogram, one of the three terms of the equation need to be modified. 1) N can be increased by lengthening the column (least effective, as doubling the column will get a 2 1/2 or 1.44x increase in resolution). 2) Increasing k' also helps.
Analytical chromatography – the use of chromatography to determine the existence and possibly also the concentration of analyte(s) in a sample. Bonded phase – a stationary phase that is covalently bonded to the support particles or to the inside wall of the column tubing.
Column chromatography in chemistry is a ... This data is a good way of determining the column's separation properties of that particular sample. The resolution can be ...
Reversed-phase liquid chromatography (RP-LC) is a mode of liquid chromatography in which non-polar stationary phase and polar mobile phases are used for the separation of organic compounds. [ 1 ] [ 2 ] [ 3 ] The vast majority of separations and analyses using high-performance liquid chromatography (HPLC) in recent years are done using the ...
A relatively recent analytical tool that has been used for the separation of UCMs is comprehensive two-dimensional GC ().This powerful technique, introduced by Liu and Phillips [20] combines two GC columns with different separation mechanisms: typically a primary column that separates compounds based on volatility coupled to a second short column that separates by polarity.
The Purnell equation is an equation used in analytical chemistry to calculate the resolution R s between two peaks in a chromatogram. [1] [2]= (′ + ′) where R s is the resolution between the two peaks
In organic chemistry, kinetic resolution is a means of differentiating two enantiomers in a racemic mixture. In kinetic resolution, two enantiomers react with different reaction rates in a chemical reaction with a chiral catalyst or reagent, resulting in an enantioenriched sample of the less reactive enantiomer. [ 1 ]