1. Identification (1) Lidocaine hcl powder 1. Preparing the derivative to measure the melting point and reacting with trishoylphenol to form a yellow precipitate. 2. React with heavy metal ions. In the sodium carbonate test solution, it reacts with copper sulfate to form a blue-violet coordination compound, which is yellow when dissolved in chlorine. 3. Chloride reaction 4. Infrared spectroscopy …