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Signal 0,6 0,5 0,4 0,3 0,2 0,1 0 -0,1 8 00 y=0,034x-0,0053 R² = 0,9954 10 12 14 16 18 mg Table 1. Signal value for analysis of hemofer tablets Analysis sample Signal (average of three measurements per analysis sample 1 0,375 2 0,488 3 0,509 4 0,333 5 0,461 6 0,988 7 0,451 8 1,131 9 0,45 10 0,389

Signal 0,6 0,5 0,4 0,3 0,2 0,1 0 -0,1 8 00 y=0,034x-0,0053 R² = 0,9954 10 12 14 16 18 mg Table 1. Signal value for analysis of hemofer tablets Analysis sample Signal (average of three measurements per analysis sample 1 0,375 2 0,488 3 0,509 4 0,333 5 0,461 6 0,988 7 0,451 8 1,131 9 0,45 10 0,389

Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter26: Molecular Absorption Spectrometry
Section: Chapter Questions
Problem 26.23QAP
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You have analyzed Fe2+ in a dietary supplement Hemofer with VIS spectroscopy and obtained the following results, see table 1. A total of 10 tablets have analyzers. Quantify the amount of Fe2+ mg and state with 98% confidence interval. Make sure to include all steps required in the quantification calculation. Also test statistically! Evaluate your result. Did you get a good result or not?, Did something go wrong and if so what could be the reason? Use analytical and statistical concepts.

Nutritional information per tablet Iron 13.5 mg Vitamin C 40 mg
 
 
Signal 0,6 0,5 0,4 0,3 0,2 0,1 0 -0,1 8 00 y=0,034x-0,0053 R² = 0,9954 10 12 14 16 18 mg
Transcribed Image Text:Signal 0,6 0,5 0,4 0,3 0,2 0,1 0 -0,1 8 00 y=0,034x-0,0053 R² = 0,9954 10 12 14 16 18 mg
Table 1. Signal value for analysis of hemofer tablets Analysis sample Signal (average of three measurements per analysis sample 1 0,375 2 0,488 3 0,509 4 0,333 5 0,461 6 0,988 7 0,451 8 1,131 9 0,45 10 0,389
Transcribed Image Text:Table 1. Signal value for analysis of hemofer tablets Analysis sample Signal (average of three measurements per analysis sample 1 0,375 2 0,488 3 0,509 4 0,333 5 0,461 6 0,988 7 0,451 8 1,131 9 0,45 10 0,389
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