A professional who tends equipment that neutralizes acid in glucose (converted starch). Respnsibilities include:

• Weighs prescribed amount of soda ash on scales and dissolves soda ash in water.
• Pours measured amount of filtracell into neutralizer tank.
• Turns valves to admit soda ash solution into tank to neutralize acid.
• Obtains sample from tank, and holds sample against light to detect formation of precipitate.
• Adds additional soda ash if precipitate is not readily forming.
• Adds acid to tank of starch to begin hydrolysis of starch into glucose.