The eluent strength is measured by which of the following:  solvent diffusitivity how fast do analytes elute out solvent absorption energy solvent adsorption energy

Q: Below is the procedure described for determination of paracetamol according to BP: "Weigh and powder…

A: Interpretation: To identify the correct statement about assay of paracetamol.

Q: With the knowledge on analytical separation and analyses, outline a suitable analytical separation…

A: Water can be polluted by different natural phenomenon and also man-made activities.This must be…

Q: Below is the procedure described for determination of paracetamol according to BP: "Weigh and powder…

A: Interpretation: To identify the correct statement about assay of paracetamol.

Q: Describe an electrochemical sensor assay method for rapid bacterial detection and identification.…

A:

Q: )) 0.6g sample contains sulfur (S) has been dissolved. The sulfur is precipitated as BaSO4. If the…

A: Answer - (a)

Q: Retention time Substance(s) Peak area (%) (min) Crude product Pure product 8.725 1,2-cyclohexanediol…

A: In the analysis of gas chromatography, the evaluation of peak area is one of the most important…

Q: Describe the basic components of a GC/MS and identify the nature of detection within the system.…

A: Introduction: A GC/MS system combines gas chromatography and mass spectrometry to separate and…

Q: Polar compounds were separated by HPLC using a bonded phase containing polar diol substituent…

A: The bonded phase contains polar diol substituent (-CH(OH)CH2OH). So more polar solvent has higher…

Q: A supporting electrolyte is usually added to the analyte solution to minimize solution…

A: 1. SOLUTION - The correct option is (a) minimize solution resistance According to the question -…

Q: Explain why a dispersion of silver nanoparticles coated with an amine functionalised polymer would…

A: Given, dispersion of silver nanoparticles coated with an amine-functionalized polymer would be more…

Q: How sedimentation rate got influenced by particle mass ?

A: The process of settling down of a particle due to gravitational pull is known as sedimentation.

Q: The calcium ion binds to a certain protein to form a 1:1 complex. The following data were obtained…

A: To determine the value of  KD graphically.

Q: liquid-liquid extraction(LLE)Principles

A: Liquid–liquid extraction (LLE), also known as solvent extraction and partitioning, is a method to…

Q: entration of solution 1 is 0.001 M. The consequent solutions were prepared by two-fold serial…

A: The purpose of the experiment is to determine the partition coefficient (log P) of p-toluoyl…

Q: Calculate the average and standard deviations for each solution (and solvent).

A:

Q: A student measures the following using a crude colorimeter. Intensity of blank =206 Intensity of…

A: When the intensity of light is passed through the sample solution then some of the light is getting…

Q: The conductance of 0.00017 M acetic acid solution is 153 µS when applying a probe with 0.87 cm−1…

A: Given: Concentration of solution, x = 0.00017 M = 0.00017 mol/L            Conductance of solution,…

Q: adsorption

A: Qmax is basically the maximum adsorption capacity considered of a particular material. It even tells…

Q: Vhat is the équation for retention factor (Rf)? O 1) (distance traveled from the origin to the…

A: The amount of component of a mixture can be quantified by retention factors (Rf). It can be useful…

Q: ou obtained the following raw data when setting up a Biuret standard curve:   BSA (mg/ml)…

A:

Q: How analytes are recovered from SFC and SFE

A: SFE is supercritical fluid extraction, in which components in a mixture are separated from each…

Q: How are analytes usually recovered after SFC or SFE?

A: Step 1 of 1 SFE is supercritical fluid extraction, in which components in a mixture are…

Q: What kind of samples can be analyzed by AFM? What are the applications of AFM?

A: Atomic Force Microscopy (AFM) is a powerful technique that can image virtually any type of surface,…

Q: The absorbance of an unknown dye solution is measured to be 0.47 by a spectrometer. The linear…

A: The given expression for the linear equation for the spectrometr calibration is ; Y = 2156.5 X +…

Q: In a liquid - liquid extraction, what is preferable? Three extractions with a small volume or one…

A: Liquid-liquid extraction is also known as solvent extraction or solvent partitioning. In this…

Q: The calcium ion binds to a certain protein to form a 1:1 complex. The following data were obtained…

A: The binding of ligand to a receptor is one of the most important activity in cell. This activity…

Q: A solute with a retention time of 407 seconds has a width at the base of 13.0 seconds on a column…

A: The objective of the question is to calculate the Number of Theoretical PlatesPlate Height

Q: Below is the procedure described for determination of paracetamol according to BP: "Weigh and powder…

A: Here the question describes the procedure to analyze the paracetamol content in a tablet.…

Q: Differentiate between qualitative analysis and quantitive analysis?

A: The overall articulation Qualitative Analysis alludes to examinations in which substances are…

Q: What is the matrix effect? How may it affect the results in quantitative analysis?

A: Liquid chromatography- Mass spectrometry (LC-MS) is a very important separation technique.

Q: Find the molar conductivity of aqueous solutions of LiCland MgC at infinite dilution at a…

A: Molar conductivity of LiCl and MgCO3 at infinite dilution at temperature 25oC

Q: ▪ In a blood alcohol analysis by GC-FID, methanol elutes at 1 min, ethanol at 2 min, IPA at 3 min,…

A: Answer : Relative retention time  =  retention time of analyte /  retention of known peak based on…

Q: Describe how the adsorption isotherm is used in chromatography.

A: In chromatography, the adsorption isotherm is used to understand and predict the behavior of solutes…

Q: Tim is interested in analyzing for Pyraclostrobin (pesticide) in strawberries using QuECHers method…

A: 1-10 mg of pesticide is on per gram of the fruitThe tim is slicing 500mg fruit i.e. its's possible…

Q: 7. Draw the structure of ethyl acetate and propyl acetate. Which substance is 6 expected to have the…

A: Introduction: Chromatography is a technique used to separate the mixture of solution. There are two…

Q: Which of these types of coprecipitation happens with greater probability when the particle sizes of…

A: With smaller particle size, a higher effective area is available.

Q: The observed intensity of light (I) after passing through the sample cell is 0.176 of the initial…

A:

Q: Chemistry Whats the definition of transfer and persistence in forensic science with historical and…

A: Forensic science: The criminal justice system depends heavily on forensic science. To produce…

Q: Describe how retention time of butanol on a poly (ethylene glycol) column will change with…

A: Gas chromatography (GC) is a widely used analytical technique for separating and analyzing volatile…

Q: Prepare 25, 75 100, 125 and 150 mg/dm3 of Cd(NO3).4H2O in a 500ml

A: Given information, Volume of solution = 500 mL = 0.5 dm3 As 1 mL = 10-3 dm3 Given concentrations :…

Q: With knowledge in analytical process separation and analysis, outline a suitable analytical…

A: Before the industrial and medical purpose, polluted air must be undergone through various steps of…

Q: Describe the recent development, fundamental principle and application of micro contact printing in…

A: