Abstract
For the quantitative determination of 1, 3, 4, 6-dianhydrosorbitol 2, 5-dinitrate (DSDN), the colorimetric methods by Griess-Romijn (GR) reagent and also by phenoldisulfonic acid (PDS) reagent were studied.
The GR method is colored by the diazo reaction with GR reagent and the PDS method is colored by a formation of nitro compound with PDS reagent. The calibration curves of DSDN, measured through the filter at 530mμ of the former and at 430mμ of the latter, showed satisfactory results in the range of 47-230γ/25ml. (GR colorimetry) and of 94-550γ/25ml. (PDS colorimetry). The determination of DSDN in the preparations by both colorimetric methods was studied and the coincident result was obtained.
