From: Chromatographic analysis of triple cough therapy; bromhexine, guaiafenesin and salbutamol and pharmaceutical impurity: in-silico toxicity profile of drug impurity
Time (minutes)
Flow rate
MeOH ( containing 0.3% Triethylamine)
% 0.05M disodium hydrogen phosphate solution
0–4.5
2
60
40
4.5–5.5
1.5
5.5–5.6
5.6–10