• Sep 29, 2025 testing cations and anions lab report summary mple, adding potassium ferrocyanide can confirm the presence of Fe 3+ by forming a Prussian blue precipitate. Common Testing Methods for Anions 1. Acid-Base Tests and Gas Evolution Many anions can be identif By Stacy Jacobson
• Jan 11, 2026 experiment 5 qualitative analysis unknown anions ific reagents such as diphenylamine or Griess reagent for more sensitive detection. Detection of Phosphate Ions Test: Add ammonium molybdate solution and acidify with nitric acid. Observation: Formation of a yellow precipitate of ammonium phosphomolybdate indicates phosphate By Melisa Pfannerstill