Clinical Research

Clinical Research Experts

Markell Williams

Sr. QC Chemist
Sr. QC Chemist
Jacobson Companies


Sr. QC Chemist Company NameNorbert Dentressangle USA (formerly Jacobson Companies) Dates EmployedAug 2013 – Present   Employment Duration4 yrs 5 mos LocationEllenwood, GA • EPA regulated facility manufacturing herbicides, pesticides, and insecticides • Train analyst on current SOPs, test methods, and instrumentation  • Perform routine analysis and release of final products according to company, customer and state  or federal regulations using wet chemistry techniques and analytical instrumentation such as  HPLC, GC, FT-IR, Densitometer, Viscometer, and Acid/Base Titrations • Professionally engage and communicate with customers regarding product specifications • Work closely with production and shipment departments to ensure timely release of product • Write and execute method development and validation protocols. • Write, review and update standard operating procedures and test methods • Maintain and Review data in logbooks and laboratory notebooks daily as per GLP • Troubleshoot, standardize, maintain, and repair analytical instruments

Research Interest

• Perform and review raw material, in-process, and final product  testing of products utilizing Flow Cytometer, ELISA, Endotoxin,  CBC, and Viability test methods.  • Manage/Qualify test samples, reagents, and reference  standards used in the lab. • Ensure compliance with Health, Safety, Environmental, GLP, and cGMP regulations.

Global Experts from Georgia

Global Experts in Subject