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Table 2 Analytical figure of merit for SPE extraction of ASP

From: PCN-222 metal–organic framework: a selective and highly efficient sorbent for the extraction of aspartame from gum, juice, and diet soft drink before its spectrophotometric determination

ParameterAnalytical feature
Equation of calibration curveA = 0.0769CASP + 0.2534
Dynamic range (mg L−1)0. 1–100
R2 (determination coefficient)0.9978
Repeatability (RSD %, n = 7)1.70
Limit of detection (mg L−1)0.019
Enrichment factor350
Capacity of sorbent (mg g−1)356