Indicators change color gradually across a pH range, and it is common for one of the indicator's forms to be colorless. Since indicators are weak acids, care should be taken to avoid adding too much indicator (more than 3 to 4 drops per 100-mL) to a solution of acid or base.
Roast your pork shoulder in the oven at 350 degrees F for 30 to 35 minutes per pound for a nice slicing roast. At this temperature, a 6-pound pork shoulder will require 3 to 3 1/2 hours to roast. Check for doneness by placing a meat thermometer into the roast at the thickest point. Be careful not to touch the bone.
1 Cook cushion pork for 35 to 40 minutes per pound. 2  If you cannot find cushion pork, substitute a pork shoulder roast instead. 3  Cube leftover pork and incorporate it into a pork stew, combining any leftover vegetables and juice with the addition of fresh vegetables and more broth.aste the roast with the pan juices every hour and cook the roast for three to four hours or until a meat thermometer inserted into the center of the roast registers at least 145 degrees F.