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Hire Dr. Ahmed O.

Egypt

USD 50 /hr

Ph.D Inorganic and Analytical Chemistry

Profile Summary

For the past 15 years, I have worked as an operator and Analytical Chemist for several laboratories, where I have developed my carrier skills while I 'm enjoying this role. Also, I got the following experience : operation role : * Supervision and quality control * Operation and sterilization and purification units * Training of technicians to monitor and follow-up field works * Preparation to select the operating doses * Preparation of chemical solutions for laboratory and calibration devices * Troubleshooting and maintenance for such instruments * monitoring and evaluation of row water daily Analytical roles : *Collection of water, wastewater, and soil samples. * Preparation and analyses of these samples according to the internationally documented methods "standard & USEPA methods" using a different analytical instrument "e.g. pH meter, Conductivity, TDS, TSS, TS turbidimeter, FTIR, and Spectrophotometer UV/vis ". * Application of the QA / QC requirements of such methods. * Preparation of all standard solutions and reagents used in analyses and determination of "" free Chlorine, ammonia, nitrate, nitrite , phosphate , silica , iron , aluminium , fluoride , alkalinity ,chloride ion , total hardness , Ca hardness, Mg hardness, Ca, Mg, Mn, DO, BOD, COD, Oxygen consuming permanganate value and sulfate. *General knowledge of analytical instrumentation like HPLC, GC, GC-MS, ICP, Atomic absorption, FTIR and UV-VIS equipment. * Preparation of all standard media for microbiology tests (( ager -lauryl sulfate - m endo broth )) for detection Plate count ager PCA, coliform group. Fecal coliform and fecal streptococcus * Count and classification of algae of fresh row water like diatoms green and blue-green algae using rafter slide *sterilization and disinfection by autoclave and oven of bottles of samples and equipment's used in a micro lab. ========================================================================= i can help clients in a lot of jobs like : cosmetic and detergent advise chemistry writing chemistry searching chemistry proofreading translation from English to Arabic translation from Arabic to English scientific research scientific proposal scientific review scientific article review data entry web research convert PDF to any Microsoft office program (word,excel ,power point ) making PDF from images or Microsoft office chemdraw editing EndNote x9 references management chemistry teaching ( Arabic speaker )

Subject Matter Expertise

• ★ Inorganic Chemistry
• ★ Water Treatment
• ★ Formulation
• ☆ Chemistry
• ☆ Analytical Chemistry
• ☆ Separation & Purification
• ☆ Liquid Chromatography/HPLC
• ☆ Thermal Analysis
• ☆ Organic Chemistry
• ☆ Gram-Positive Bacteria
• ☆ Environmental Chemistry
• ☆ Skin Care & Cosmetology
• ☆ Book Reviews
• ☆ Technical & Scientific Writing
• ☆ Cosmetic & Skincare Formulation

Services

• Writing
• Research
• Product Development

Writing Technical Writing

Research Gray Literature Search, Systematic Literature Review

Product Development Formulation

Work Experience

Researcher and analytical chemist

Greater Cairo for Drinking Water company

November 2006 - Present

Researcher PHD inorganic and analytical chemistry

Faculty of Sciences - Al-Azhar University

October 2015 - September 2020

scientific Researcher and Reviewer

BENAA foundion (cewas middle east)

January 2017 - December 2018

Sales Representative and Technical support

Tebrigas egypt

August 2005 - September 2006

Education

PH.D Degree Inorganic and analytical chemistry

Al-Azhar University

October 2015 - September 2020

Master’s Degree Inorganic and analytical chemistry

Al-Azhar University

October 2007 - May 2010

Bachelor’s Degree of chemistry

Al-Azhar University

September 2000 - June 2004

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

Ali M. Hassan, Ahmed O. Said, Bassem H. Heakal, Ahmed Younis, Wael M. Aboulthana, Mohamed F. Mady (2022). Green Synthesis, Characterization, Antimicrobial and Anticancer Screening of New Metal Complexes Incorporating Schiff Base . ACS Omega.

Ahmed Osman(2022). Green Synthesis, Characterization, Antimicrobial and Anticancer Screening of New Metal Complexes Incorporating Schiff Base . ACS Omega. American Chemical Society ({ACS})

Ahmed Osman(2022). Antimicrobial and antioxidant evaluation of newly synthesized nanomaterials of potential anticorrosion properties based on Co (II), Ni (II), Cu (II) and Zn (II) nano complexes of N-(p-methyl phenyl)-N-Benzoyl thiourea . Egyptian Journal of Chemistry. 0. (0). p. 0--0. Egypts Presidential Specialized Council for Education and Scientific Research

Ali Mostafa Hassan; Ahmed Osman Said. "Importance of the Applicability of O-Vanillin Schiff Base Complexes: Review". Advanced Journal of Chemistry-Section A, , , 2021, 87-103. doi: 10.22034/ajca.2021.266876.1235 .

(2020). Conventional and Microwave-Assisted Synthesis, Antimicrobial and Antitumor Studies of Tridentate Schiff Base Derived from O-vanillin and Phenyl Urea and its Complexes . Advanced Journal of Chemistry-Section A.

(2020). Comparative study for synthesis of novel Mn (II), Co (II), Ni (II), Cu (II), Zn (II) and Zr (IV)complexes under conventional methods and microwave irradiation and evaluation of their antimicrobial and Anticancer activity . Egyptian Journal of Chemistry.

DISSERTATION THESIS

(2010). Some environmental studies and determination of some heavy metals on water and sediment of River Nile in front of the industrial area of Helwan province . Unpublished.