While We Didn't Use It In Lab, Lead Acetate Paper Can Be Used To Detect Hydrogen Sulfide Gas In The Air. It Turns Black When Exposed To Hydrogen Sulfide. What Is Another Way To Detect Hydrogen Sulfide Production? A Inoculation Of TTC Medium, Looking For Red Radiating Outward From The Stab Line B Inoculation Of Peptone Iron Agar, Looking For Black Along The