Heart-Cutting Versus Comprehensive Mode

FIGURE 5.2 Heart-cut 2DLC with a six-port valve. In position A, the loop is being loaded with a sample from column 1, and column 2 is being equilibrated. In position B, the loop is injected onto column 2 where separation takes place with subsequent detection. 

TABLE 5.1 Classification and Examples of Two-Dimensional Liquid-Phase Separation Techniques 

Number of fractions sampled into second dimension Technique example References 

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