Graph attached separately Analysis Chart of food dyes present in beverage Food

Graph attached separately analysis chart of food dyes

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Graph attached separately Analysis Chart of food dyes present in beverage Food Dye Slope From Dye ( ε) Concentration of Dyes in beverage (ppm) Total mass of each Dye ( g/mL) μ % by mass in Gatorade Red 40 0.011668 8.48 5014.45 0.8 Blue 1 0.098965 0.227 134.157 0.002 Calculations: Absorbance of beverage at 403.5= .099 Absorbance of beverage at 629.44= .225 591mL/bottle Slope: numbers taken from graphs Concentration of Dyes in beverage: (absorbance/slope) (.225/.098965)=0.227 (.099/.011668)=8.48 Total mass: (concentration* total volume) (8.48*591)=5014.45 (0.227*591)=134.157 Percent by mass: ((total mass/total volume)*100) ((5014.45/591)*100)=0.8 ((134.157/591)*100)=0.002
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0 2 4 6 8 10 12 14 16 -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Yellow 6 Concentration @ max 480.50 (for yellow) λ Absorbance Concentration Absorbance Table 4: For yellow 6 max:480.50 λ R 2 =0.99719 0 2 4 6 8 10 12 14 16 0 0.05 0.1 0.15 0.2 0.25 Yellow 6 Concentration @ max 480.50 (for red) λ Absorbance Concentration Absorbance Yellow 6 Concentration (ppm) Absorbance 15 0.609 10 0.41 5 0.221 0 -0.019
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Table 5: For red 3 max:480.50 λ R 2 =0.92099 0 2 4 6 8 10 12 14 16 0 0.05 0.1 0.15 0.2 0.25 0.3 Red 3 Concentration @ max 529.52 (for yellow) λ Absorbance Concentration Absorbance Table 6: For yellow max: 529.52 λ R 2 =0.94277 Yellow 6 Concentration (ppm) Absorbance 15 0.235 Red 3 Concentration (ppm) Absorbance 15 0.277 10 0.18 5 0.148 0 0.001
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0 2 4 6 8 10 12 14 16 -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Red 3 Concentration @ max 529.52 λ (for red) Absorbance Concentration Absorbance Table 7: For red max: 529.52 λ R 2 =0.99235 Red 3 Concentration (ppm) Absorbance 15 0.809 10 0.592 5 0.322 0 -0.001
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Unknown Sample Sample number:7UH Absorbance max 480.50- .232 λ Absorbance max 529.52- .402 λ A=A 3 +A 4 Not inference Accounting for .232= .041+.0191=5.6585 .402= .018+.0=7.15032 C.) Claim
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  • Fall '11
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  • Chemistry, pH, Dye, Food coloring, E number, Food colorings

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