4. In a prelminary gas chromatography experiment, a solution containing 0.0837 M of analyte X and 0.066 M internal standard, gave peak arens of Ax423 (aialyte) d a peak area of As 447 (intemal standard) To analyse an unknown sample, 0 0S84 M internal standard was added to 10 ml. of the unknown Nample, and the mixture was diluted to 25 ml in a volumetric flask. The chromatogram pave peak areas of Ax=553 and of As 582. Find the concentration of X n the unknown sample
4. In a prelminary gas chromatography experiment, a solution containing 0.0837 M of analyte X and 0.066 M internal standard, gave peak arens of Ax423 (aialyte) d a peak area of As 447 (intemal standard) To analyse an unknown sample, 0 0S84 M internal standard was added to 10 ml. of the unknown Nample, and the mixture was diluted to 25 ml in a volumetric flask. The chromatogram pave peak areas of Ax=553 and of As 582. Find the concentration of X n the unknown sample
Chapter4: Least-squares And Calibration Methods
Section: Chapter Questions
Problem 3P
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Transcribed Image Text:Chemistry
4. In a prelminary gas chromatography experiment, a solution containing 0.0837 M of
analyte X and0.066 M internal standard gave peak areas of Ax 423 (aralyte) anl a
peak area of As= 447 (intermal standard). To analvse an unknown sample 0 0584 M
internal standard was added to 10 mL of the unknown sample, and the mixture was
diluted to 25 ml in a volumetric flask. The chromatogram gave peak areas of Ax=553
and of As = 582, Find the concentration of X in the unknown sample
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