Calcium Absorption Essay Example for Free

atomic number 20 Absorption strive In tell apart to witness the field of study of calcium and milligram in an nameless example of limestone, the exercise of atomic acculturation spectrophotometry tolerate encourage in deciphering the unfathomable concentrations of each pinpoint in the limestone sample. atomic submergence spectrophotometry, emits light beam of the correct relative frequency that is passed through a flame and the forcefulness of the transmitted beam is measured?. The calcium concentration or ppm can be measured development the absorbance of the solution and comparison it to a tired curve for calcium?. Whereas magnesium, needs to be determined utilise the banal step-up method.The concentrations of each respective(prenominal) molecule can be presented as CaO and MgO percentages of the unknown limestone sample. Materials and Methods The intensify calcium change (CaCO3, CAS 471-34-1, 204. 89ppm) was utilised to comparing its absorbance to the unknown sample of limestone 8066 on the standard curve. Moreover, magnesium convert heptahydrate (MgSO4*7H2O, CAS 10034-99-8, 40. 8ppm) was also utilized to compare its absorbance against that of the unknown. laboratory personnel from the CSU Eastbay surgical incision of chemistry stockroom performed all calibrations on the Perkin Elmer AAnalyst three hundred atomic absorption spectrometer. altogether chemicals utilize in this experiment were obtained from the CSU Eastbay discussion section of chemistry stockroom. A Denver cats-paw Co. Sargent-Welch analytical oddment was used to determine the flock of the unknown, wad of calcium carbonate, and mass of magnesium sulfate heptahydrate. A Perkin Elmer AAnalyst 300 atomic absorption spectrometer supply with a Lumina atomic number 20 and Magnesium Lamp was used to determine the absorbance. The prick used argon and Acetylene as the carrier bumble and oxidant gas, respectively.calcium Absorption. (2018, Oct 17).