In many cases non-zinc anodes outperform actual zinc anodes, depending upon the type of metal you need to protect and the nature of the water in which the metal being protected is immersed. It all has to do with the voltage of the anode when referenced against a standard.
Chemical engineers at pharmaceutical manufacturers have the same duties as those of consumer goods manufacturers, but they have additional duties as well. Their focus is on developing new drugs or products to enhance the health of humans and animals.
What Chemical Technicians do: 1  Maintain, clean, or sterilize laboratory instruments or equipment. 2  Provide and maintain a safe work environment by participating in safety programs, committees, or teams and by conducting laboratory or plant safety audits. Provide technical support or assistance to chemists or engineers. 2  Compile and interpret results of tests and analyses. 3  Develop or conduct programs of sampling and analysis to maintain quality standards of raw materials, chemical intermediates, or products.