What type of compound is identified using Iodoplatinate and Dragondorff's Reagent?

Iodoplatinate and Dragendorff's Reagent are specific reagents utilized in the identification of nitrogenous bases. Iodoplatinate can react with certain nitrogen-containing compounds to form complexes, which aids in their detection during analytical procedures. Dragendorff's Reagent, which contains bismuth nitrate and iodine, is particularly recognized for its ability to react with alkaloids and nitrogenous bases, producing a characteristic orange precipitate.

This dual application in identifying nitrogenous bases highlights the chemical interactions these compounds possess, which are leveraged in qualitative analysis techniques within the realm of analytical chemistry. The other options, while they may involve different analytical techniques or reagents, do not produce the same reactions observed with nitrogenous bases when treated with these specific reagents.