Maintenance Process

Ramiro Rosales

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**** ***** **** **.

Rancho Cucamonga, CA. 91730

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Home Phone: 909-***-****

Cell Phone: 909-***-****

Email: ********@***.***

v OBJECTIVE

To obtain a position as a Pharmaceutical Chemist

v WORK HISTORY

1/22/09-1/23/10 Scientist, Watson Pharmaceuticals, LTS

Wrote protocols for validation, verification and transfer of

methods

Validated methods for GC, (residual Solvents)

Verified methods for the analysis of pharmaceutical active

ingredients, (UV/Vis, Potentiometric Titration)

Performed Thin Layer Chromatography for method transfer

Operated GC to analyzed for residual solvents and excipients

6/2/08-12/19/08 Analytical Chemist, Nexgen Pharma

Develop and validated methods for HPLC and GC, (residual

Solvents, propoxyphen)

Created database and Excel spreadsheets

Used HPLC to analyzed samples for pharmaceutical active

ingredients (chenodeoxycholic acid)

Operated CE for the analysis of folic acid

Operated GC to analyzed for residual solvents, methyl

stearate,

Analyzed samples using full USP monograph (AA, UV/Vis, IR,

Titration)

Trained other personnel on GC and HPLC

1/2/08-5/30/08 Analytical Chemist, Adam Nutrition

Analyzed raw material, in-process and finished goods

Develop and validated methods for HPLC and GC (melatonin,

quercetin, pesticides)

Used HPLC to analyzed samples for caffeine, vitamin E,

melatonin, and glucosamine

Operated GC to analyzed for organophosphorus and

organochlorine pesticide residue

Performed routine maintenance and troubleshooting

Determined concentration of ascorbic acid by titration

Used FTIR for raw material identification

5/2/05-12/21/07 Chemistry Teacher, Corona-Norco USD

Prepared lesson plans.

Evaluated student performance

Created positive learning environment

Engaged students in learning

Motivated students to participate in the learning process

1/6/00-1/7/05 Analytical Chemist, Universal Packaging Systems Inc.

Operated GC and HPLC instrumentation

Performed routine maintenance on instrumentation

Developed methodology for GC and HPLC (sunscreens, salicylic

acid, menthol)

Validated methods according to USP regulations

Analyzed raw material, bulk product and finished goods for

various compounds

Prepared daily analysis logs and sample worksheets

v EDUCATION

Bachelors of Science: Biology, California State Polytechnic

University of Pomona,

Associate of Arts: Liberal Arts, Mt. San Antonio College.

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