تصميم وحدة حقن جرياني جديدة لتقدير ايون اليوديد وايون الكرومات == Design new flow injection unit for the determination of iodide ion and chromate ion
Author name:
زهير صالح عبيد الشافعي
Supervisor name:
داخل ناصر طه الزركاني
General topic:
Chemistry
Specific topic:
Chemistry
Degree:
Master
University:
University of Babylon - College Of Science
Language:
English
University location:
Babylon
First pages:
25T1550 - p.pdf
Abstract:
he third chapter contains Several axis's is : The first axis is design FIA unit for determination of chromate ion , and of the work , their components and chosen the Optimum Design .* The second axis included study optimal conditions of system ( effect of flow rate , effect of reaction coil , sample loop , starch loop , calibration curve , reproducibility , dispersion coefficient , sampling rate and dead volume . after fixing the optimum conditions , detection limit ( 5 ppm ) , linearity was over the range of ( 10 ppm - 90 ppm ) and linearity coefficient ( R2 ) was ( 0.999 ) .* The three axis is using the same system in determination iodide ion after change the valve it was best results .* The four axis included study optimum conditions of new system ( effect of flow rate , effect of reaction coil , sample loop , starch loop , calibration curve , reproducibility , dispersion coefficient , sampling rate and dead volume . after fixing the optimum conditions , detection limit ( 3 ppm ) , linearity was over the range of ( 5 ppm - 70 ppm ) and linearity coefficient ( R2 ) was ( 0.9995 ) . also the study calibration curve of chromate in the new system , after fixing the optimum conditions , detection limit ( 3 ppm ) , linearity was over the range of ( 10 ppm - 90 ppm ) and linearity coefficient ( R2 ) was ( 0.998 ) .* The last axis included is study application on the tow system and the difference , system one been applied on aqueous solutions of chromate at ( 50 ppm , 70 ppm ) , system tow been applied on aqueous solution of chromate at ( 50 ppm , 70 ppm ) , Medicine chromium picolinate , aqueous solution of iodide at ( 15 ppm , 25 ppm ) and medicine Boviden iodid 4 %