Hassan Yahia Email & Phone Number

مكة جدة السعودية

Estimate volatile organic compounds VOCs, semi volatile organic compounds SVOCs, polyaromatic hydrocarbons PAH and total petroleum hydrocarbons TPH using GC/Ms. P&T - GC/FID in water and soil samples.Performed analysis of heavy metals in soil, water using ICP-MS (PerkinElmer), microwave digestion system MARS6.Performed analysis of anions and cations in water using (Dionex ICS 5000+)Estimate total oil and grease TOG, total cyanide, phenols, chemical oxygen demand COD, total organic compounds TOC, ammonia and sulphide in waste water.

مكة السعودية

مختبر مكة المركزي لتحاليل مياه الشرب والصرف الصحي

مكة السعودية

Analytical chemist in ADECO Group ـــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــ National Water Company NWC - Makkah Central laboratoryMarch 2022 - April 2023ـــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــUniversity central laboratory - Prince Sattam Bin Abdelaziz UniversityJuly 2018 - February 2022ـــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــAbha food safety LabMarch 2014 - May 2018ـــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــPerformed analysis of Pesticides Residue using GC MS/MS, LC MS/MS (Thermo, Shimadzu, Agilent).Performed analysis of VOC in water using Agilent 8890 GC-Ms purge and trap, head headspace.Performed analysis of heavy metals in soil, water and vegetables using ICP-MS, ICP-OES (Thermo), microwave digestion system Anton Paar multiwave pro & go.Perform Honey analysis (carbohydrates and HMF) using HPLC – DAD/RI Thermo.Performed analysis of anions and cations in water using (Dionex ICS 5000+, Metrohm 940 professional IC vario) spectrophotometer (DR 6000&MN).Analysis of Ca & Mg hardness and total alkalinity in water using Metrohm titrator 905 Titrando.Analysis of EDTA in water using Metrohm 930 Compact IC Flex.Participate in the implementation team of a new management system according to ISO 17025:2017.Contributed to supervising many graduation projects for students of Sattam bin Abdelaziz University.At Prince Sattam University Training Center, I worked as a trainer on all the equipment in the laboratory.

مكة السعودية

Al-Kharj , Saudi Arabia

القاهرة مصر

In AL Farouk group for food industries (IMTENAN) as responsible for performing all physical and chemical checks on Raw Materials, Semi-finished, finished products and packaging materials according to QC specifications.Chemical & physical analysis of honey:Determination of Sucrose percent using polarimeter, HMF content using spectrophotometer, pollen content using microscope, acidity of honey, reducing sugars, moisture and total solid Organoleptic propertiesChemical & physical analysis of Oils:(Edible oils such as black seed – flax seed – wheat germ – eruca oil …. etc.) Acid value, Peroxide value, Iodine value, Refractive index, Relative density, Saponification-unsaponification matter, Organoleptic properties, Optical rotation using polarimeter and Melting point.Chemical & physical analysis of herbs and food supplements:Ash & moisture content, volatile oils, bulk density and active material determination.

القاهرة, Egypt