Quality control of calcium carbonate by: 1_master size 3000 which can measure the particle size of carbonate 2_data color: measure the color of carbonate 3_measure oil absorption of calcium carbonate 4_Quality of raw material calcium carbonate 5_measure the viscosity of calcium carbonate 6_Make sure the quality of the product until the customer and used the product

1- 2 Years of total experience in Research center 2- Strong experience in the teaching of a chemical experiment in the laboratory. also hard worker all the time as a chemist. 3- Have the ability to work in a team as well as individual with excellent interpersonal skills. 4- Have a good experience in treating with chemicals in the lab. 5- Have a good experience in the lab. techniques like work on various instrumental analysis as UV, IR. NMR 6- Have a good experience in chromatography like making TLC and column chromatography. Already, I made a lot of scheme that includes the work on modification of nucleic acid ( as an anticancer drug and antiviral drug ) which have biological activity