Prepare standard solutions for the spectrophotometric measurement of iron in an unknown solution. The first standard solution includes 250 mg/L of pure iron within 100 mL solution. Make a serial dilution by pipetting 60 mL of the first standard and the last standard solution will contain 19,44 mg/L of pure iron. wwm www wm ww m m wwww.v wwww wwww a. Complete number of standards and indicate concentration of each standard solution wwww ww wwwwww wwm w STD-X STD-1 (250 mg L) (19,44 mgL) b. If the standard curve equation is given as y=2548X-654, calculate the iron concentration of a solution that has a 0,898 absorbance value at 525 nm wavelength. wwww v
Prepare standard solutions for the spectrophotometric measurement of iron in an unknown solution. The first standard solution includes 250 mg/L of pure iron within 100 mL solution. Make a serial dilution by pipetting 60 mL of the first standard and the last standard solution will contain 19,44 mg/L of pure iron. wwm www wm ww m m wwww.v wwww wwww a. Complete number of standards and indicate concentration of each standard solution wwww ww wwwwww wwm w STD-X STD-1 (250 mg L) (19,44 mgL) b. If the standard curve equation is given as y=2548X-654, calculate the iron concentration of a solution that has a 0,898 absorbance value at 525 nm wavelength. wwww v
Chapter8: Sampling, Standardization, And Calibration
Section: Chapter Questions
Problem 8.12QAP
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