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Watch the video and determine the practical applications of the different separation techniques shown in the video.
Sedimentation and Decantation
https://www.youtube.com/watch?v=sBCLafMPVt8
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- Define Gas Chromatography and HPLC and state their differences in principle and uses. (maximum of 200 words)If some of the analytes were found to be out of range after doing the Quality Control and the machine repeatedly gives invalid result. What are the possible problem and best solution as a Medical Technologist?Define Extraction in chemistry ?
- use analytical separation and analyses to outline analytical separation method protocols that can be employed to recover extremely high deposit of heavy metals and particulate matter in the river making wholesome for drinking in illegal mining communities .Chemistry Whats the definition of transfer and persistence in forensic science with historical and recentliterature referencesThe eluent strength is measured by which of the following: solvent diffusitivity how fast do analytes elute out solvent absorption energy solvent adsorption energy
- A 0.0200 gram blood sample was decomposed by a microwave digestion technique followed by dilution to 100.0 mL in a volumetric flask. Aliquots of the sample solution were treated with a lead complexing reagent and water as follows: Solution 1: 10.0 ml blood sample + 20.0 mL complexing agent + 30.0 mL H20. Solution 2: 10.0 ml blood sample + 20.0 mL complexing agent + 26.0 mL H20 + 4.00 mL of 78 ppb Pb2+ standard. The resulting solutions were analyzed by UV/Vis at 375 nm. Absorbance for solution 1 = 0.155 and for solution 2 = 0.216. Calculate the concentration of lead (ppb) in the original sample.2 what is the purpose of BSC Level 1 & 2, proper layout, performance, and its application in biosafety assessmentWhat are the advantages and disadvantages of volumetric and gravimetric analysis?
- An aquifer contaminated with petroleum is found to have the following component concentrations at a particular site: benzene 158 ppm toluene 124 ppm ethylbenzene 91 ppm xylene 45 ppm n-heptadecane 161 ppm pristane 84 ppm Provide an estimate for the age of the spill at this site using (a) BTEX ratio and (b) nC17:Pr ratio. Show your calculations and use units throughout. Give proper s.f. for the answer.The researcher extracts a sample of well water and prepares it for TXRF analysis with a 10.00 mg/L V internal standard, like the calibration standards. The result produces SCa = 69297.81 and SV = 13481.2.Determine the concentration of Ca.Discuss three practical applications of solvent extraction in analytical chemistry.
