Raw Materials. The main component of brass is copper. The amount of copper varies between 55% and 95% by weight depending on the type of brass and its intended use. Brasses containing a high percentage of copper are made from electrically refined copper that is at least 99.3% pure to minimize the amount of other materials.
Principal Scientist in Boston, Massachusetts Salary. A Principal Scientist in Boston, Massachusetts earns an average salary of $123,925 per year.
How much does a Biomedical Research Scientist make? The national average salary for a Biomedical Research Scientist is $83,402 in United States. Filter by location to see Biomedical Research Scientist salaries in your area. Salary estimates are based on 36,940 salaries submitted anonymously to Glassdoor by Biomedical Research Scientist employees.