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.
bls 2012 the typical forensic scientist salary in the best paying jobs make between $ 65000 and $ 72000 per year according to 2012 data from the bls for new forensic scientists the typical forensic scientist salary is between $ 48000 and $ 60000 per yearoverall the median in 2010 was $ 51 570 bls data from 2010 shows within the forensic science category there are several specialties that may change salary and compensationrime scene investigation is the specialization of acquiring criminal data at the scene of the crime one of the least educationally intensive subsets of forensic science typical salaries are between $ 38000 and $ 55000 per year according to the american academy of forensic science 2013