artificial food colours
conditions
column: ace 3 c18
dimensions: 100 x 4.6 mm
part number: ace-111-1046
mobile phase:
a: 3.1 mm tetrabutylammonium bromide and 5 mm kh2po4 in h2o
b: 5 mm kh2po4 in meoh
time(mins)
%b
0
45
12
60
25
45
flow rate: 0.8 ml/min
injection: 10 μl
temperature: ambient
detection: uv-vis, 480 nm
1. tartrazine
2. amaranth
3. sunset yellow
4. ponceau 4r