Sodium nitrate is a type of salt used to preserve foods, particularly cured meat. It's added to cured meat to extend its shelf life by preventing rancidity and the growth of bacteria. The U.S. Environmental Protection Agency has set a legal limit for the concentration of nitrate allowed in food.
The 12-year process of becoming a dermatologist requires a significant commitment of the student's physical, mental, emotional and financial resources. It's only natural to wonder how large a reward waits at the end of this long road.
To become forensic pathologist you first need a high school degree. Then it takes four years for your undergraduate degree,another four years in medical school, and extra four â¦ years as a resident in pathology and then a one year fellowship.You also need to pass the test given by the American Board of Pathology.fter high school, approximately 13 years: 4 years of college 4 years of medical school 4-5 years of pathology residency training 1 year of forensic pathology subspecialty training.