Report CHM

Dyes observed in each of the M&M candy colors and the average observed Rf values from student’s

observations:

M&M Color Dyes Observed Rf

Dye Color

Distance Dye Traveled

(Ddye)(mm) Rf

FD&C Red #3 Bright pink 4.8 mm 0.064

FD&C Red #40 Light pink 17.3 mm 0.23

FD&C Blue #1 Light Blue 68.0 mm 0.90

FD&C Blue #2 Dark Blue 19.0 0.25

FD&C Yellow #6 Orange 27.1 mm .36

FD&C Yellow #5 Light yellow 37.6 mm 0.50

FD&C Green #3 Teal 59.9 mm .80

M&M

Color Dye Color Ddye (mm) Rf F, D&C Food Dye

Red Light Red 9.8 mm 0.13

Dark Red 0.9 mm 0.012

ORANG

E

Orange 33.8 mm 0.45

Yellow Yellow 37.9 mm 0.50

BROWN

Red 13.9 mm 0.18

Orange 29.8 mm 0.40

Yellow 39.0 mm 0.52

Blue 50.8 mm 0.67

Green Green 37.4 mm 0.50

Light Blue 52.7 mm. 0.70

BLUE

Light Blue 56.1 mm 0.75

Dark Blue 1.1 mm 0.015

FD& C dyes

M&M dyes