- Out Of 3 Marks Sample Calculations Give Equations First Choose Only One Element To Illustrate 2 Marks A Concentrat 1 (26.32 KiB) Viewed 102 times
- Out Of 3 Marks Sample Calculations Give Equations First Choose Only One Element To Illustrate 2 Marks A Concentrat 2 (58.23 KiB) Viewed 102 times
Calcium Calibration Standards song/L Concentration of calcium standard stock solution (include unit): (0.25 mark) Standard 4 P 10. IS Table 2. Data for Ca Calibration Curve (1 mark) Standard 1 Standard 2 Standard 3 Volume Ca stock son (m) 5 15 2 Final volume of Ca standard VOD. solns (L) VOOD 000 Concentration of Ca standard so lo 20 solns (mol) Express volumes to the proper number of decimal places and the concentrations to the correct number of significant figures out of 1.25 marks Magnesium Calibration Standards Concentration of magnesium standard stock solution (include unit): (0.25 mark) Table 3. Data for Mg Calibration Curve. (1 mark) Standard 1 Standard 2 Standard 3 Standard 4 Volume Mg stock soin (L.) S 10 2030 Final volume of Fe standard sol'ns (ml) voo. O yo Concentration of Fe standard sol'ns (mol) 5 10 26 30 Express volumes to the proper number of decimal places and the concentrations to the correct number of significant figures out of 1.25 marks ICP-AES EMISSION MEASUREMENTS 100ng/L 1oooo 1,2 Complete Table 4. Enter intensity of emission as whole numbers only. Table 4. Emission data (1.5 marks). Element Intensity of Emission (cls) Standard 2 Standard 3 Standard 4 Standard 1 Spinach . Fe Wavelength (nm) 208.2014 3818821.27361455.9 14123013.05 20676649.91 11027722 136.847 1008. 23 2483.19 476.57 16450.36 1012.97 26.2704337826 777290.791042701.32 401723.46 17076.0/ Ca Mg out of 1.5 marks 2