A solvent front Component Reference Standards Aspirin (C) phenacetin acetaminophen (B) component 1 component 2 origin...
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A solvent front Component Reference Standards Aspirin (C) phenacetin acetaminophen (B) component 1 component 2 origin Figure 1. Developed TLC plate Caffeine Samples commercial analgesic (A) crude caffeine 6.2 . Rf1 Rf₁ . 3.7 = Rf27 Rf2 = 3.7 = Distance of the analyte from the origin (cm) distance from origin to analyte distance from origin to solvent front X₁ Xt distance from origin to analyte distance from origin to solvent front X2 Xt Distance of the solvent front from the origin (cm) 7.8 7.8 . 7.8 (EQ 1) (EQ 2) TREATMENT OF RESULTS 1. Compute for the retardation factor, R of the standards and each component of the commercial analgesic and crude caffeine samples using EQ 1 and EQ 2 (in case of multiple components) in Figure 1 as basis. 2. Based on the provided data of the chromatograph, determine the possible components of the commercial analgesic. A solvent front Component Reference Standards Aspirin (C) phenacetin acetaminophen (B) component 1 component 2 origin Figure 1. Developed TLC plate Caffeine Samples commercial analgesic (A) crude caffeine 6.2 . Rf1 Rf₁ . 3.7 = Rf27 Rf2 = 3.7 = Distance of the analyte from the origin (cm) distance from origin to analyte distance from origin to solvent front X₁ Xt distance from origin to analyte distance from origin to solvent front X2 Xt Distance of the solvent front from the origin (cm) 7.8 7.8 . 7.8 (EQ 1) (EQ 2) TREATMENT OF RESULTS 1. Compute for the retardation factor, R of the standards and each component of the commercial analgesic and crude caffeine samples using EQ 1 and EQ 2 (in case of multiple components) in Figure 1 as basis. 2. Based on the provided data of the chromatograph, determine the possible components of the commercial analgesic.
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