The occurrence of blindness after drinking some herbaceous distillates
is created some anxieties in Iran. In this study, the effectiveness of concentration
of Khalvash distillate was studied on the function of the new modified
suggested chromotropic acid method for qualitative detection of methanol.
For this purpose, three samples of Khalvash distillate were purchased from
vendors of Rasht. According to the obtained results, due to special chemicals
and their high concentrations in the studied homemade samples, using of 1:5
dilution ratio in the distillate water is necessary for test performance. Also, it
was confirmed that methanol was present in all Khalvash samples like other
herbal ones.
