Topic: Transmittance and absorbance, lambert-beer law Formaldehyde can be determined in UV spectroscopy. For this, the sawdust sample is brought to dryness and 200 are weighed grams of the dry sample, carrying out the extraction of formaldehyde with a soxhlet equipment. The volume of extraction solution used is 1 liter. The absorbance reading for this solution is 0.467. In a standard 10 ppm formaldehyde solution concentration, separately gave us a transmittance reading of 55.1%, in the same cell at the same wavelength. What amount of formaldehyde in mg is present for each kilogram of dry wood chips?
Topic: Transmittance and absorbance, lambert-beer law Formaldehyde can be determined in UV spectroscopy. For this, the sawdust sample is brought to dryness and 200 are weighed grams of the dry sample, carrying out the extraction of formaldehyde with a soxhlet equipment. The volume of extraction solution used is 1 liter. The absorbance reading for this solution is 0.467. In a standard 10 ppm formaldehyde solution concentration, separately gave us a transmittance reading of 55.1%, in the same cell at the same wavelength. What amount of formaldehyde in mg is present for each kilogram of dry wood chips?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Topic: Transmittance and absorbance, lambert-beer law
Formaldehyde can be determined in UV spectroscopy. For this, the sawdust sample is brought to dryness and 200 are weighed grams of the dry sample, carrying out the extraction of formaldehyde with a soxhlet equipment. The volume of extraction solution used is 1 liter. The absorbance reading for this solution is 0.467.
In a standard 10 ppm formaldehyde solution concentration, separately gave us a transmittance reading of 55.1%, in the same cell at the same wavelength.
What amount of formaldehyde in mg is present for each kilogram of dry wood chips?
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