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.
Conclusion about medical laboratory scientist salary. The average medical laboratory scientist salary is around $58,640 per year, or about $28.19 per hour. The top 10% of this healthcare workersâ population make $78,900, while the lower 10% earn only $39,580 per year.1  Share on Facebook. 2  Share on Twitter.ased on how many years theyâve been working in this field, the medical laboratory scientistâs salary for those with one to four years of experience is around Â£19,153 to Â£39,513. This is much lower than the salary of a scientist with over 10 years of experience, which is Â£20,164 to Â£59,421 per year.