Figure 3. Six member chelate formation between Fe+2 and 3,5-DNS

From

Spectrophotometric Investigation of Complexation of Ferrous Ion with 3,5-Dintrosalicylic Acid

Gurvinder Kaur, Sumanjeet Kaur, Tribhuvan Kumar Pathak, Vandana Sharma, Kartikay Tyagi

World Journal of Chemical Education. 2021, 9(3), 77-80 doi:10.12691/wjce-9-3-2