Q: Why is a filter paper preferred over a sintered glass filter
A: Filtration is a method used to distinguish solids from liquids or gases, using a filter medium that…
Q: Identify The most commonly used stationary phase in paper chromatography.
A: The question is based on the concept of chromatography. It is a technique of separation and…
Q: Why is a suppressor used in ion chromatography?
A: Ion chromatography- It is used for water chemistry analysis. Ion chromatography helps in measuring…
Q: Why is longitudinal diffusion a more serious problem in gas chromatography than in liquid…
A: The given statement is "the longitudinal diffusion is a serious problem in gas chromatography than…
Q: Which of the following results from an in-line HPLC mobile phase filter becoming plugged with…
A: Correct option is B.
Q: How the 2D Thin layer Chromatography separation processes are worked? Please shortly wtite at your…
A: A 2D - TLC plate is a sheet of glass, metal, or plastic which is coated with a thin layer of a solid…
Q: In all forms of chromatography, there is a mobile phase and a stationary phase. In thin layer…
A: Thin layer chromatography is the synthetic technique used in determining the purity of compound,…
Q: What are the limitations of using molecular/size exclusion chromatography?
A: In SEC, mass is not measured so much as the hydrodynamic volume of the polymer molecules, that is,…
Q: what are the causes of band spreading in chromatography
A: The answer is given below
Q: In your own words, discuss the reason why stray light should be minimized. How does stray light…
A: Stray light is defined as the light whose wavelengths lies outside the monochromator range. Stray…
Q: What is the role of the stationary phase and mobile phase in chromatography?
A: Solution: Chromatography is a laboratory separating technique for the mixture. The mixture of…
Q: If a spot travels 2.3 cm while the mobile phase travels 6.6 cm, what is the Rf value of the…
A: Given: Distance travelled by spot = 2.3 cm Distance travelled by mobile phase = 6.6 cm
Q: What is the role of stationary phase and mobile phase in Chromatography? Please shortly write at…
A: Concept is based on Chromatography.
Q: What is the importance of determining the specific gravity using refractometer?
A: Refractometer is an instrument which is used to determine the amount of the substance present in a…
Q: Can acetic acid be used as the mobile phase in kool aid chromatography over isopropyl alcohol?…
A: Kool aid chromatography involves separation of red and blue dyes present in the Kool aid. The mobile…
Q: Column Chromatography) What complications would a dried-out column (solvent level is below the top…
A: column chromatography is the technique used to separate compounds of different polarity .In this…
Q: What is a guard column and why is it used in HPLC but not in GC systems?
A: A guard column is a protective column or cartridge installed between the injector and the…
Q: What is the advantage of a bonded stationary phase in gas chromatography?
A: In analytical chemistry, gas chromatography is an important tool for the separation and…
Q: What are the advantages of using a multidimensional HPLC separation for the analysis of complex…
A: Since you have asked multiple questions, we will solve the first one for you. For remaining…
Q: What is the HETP of a column that is 200mm with a retention time of 5mins. The (effective)…
A: To calculate HETP and separation factor, α
Q: The plot of retention time versus detector signal in chromatography called?
A: In the GC-plot, the detector response signal is at the y-axis, and the retention time is at the…
Q: A chromatography column would be most efficient with which of the plate heights? 0.50 mm 0.10 mm O…
A: Correct answer is option B i.e 0.10 mm
Q: size exclusion chromatography
A: The size exclusion chromatography can be used to determine the quaternary structure of the proteins…
Q: What is the difference between isocratic and gradient elution?
A:
Q: For indirect iodometric analysis of copper oxide, why did you not need to accurately weight out ki…
A:
Q: Why does the efficiency (decreased plate height) of liquid chromatography increase as the stationary…
A: to improve resolution in HPLC by Increasing column length. by Decreasing particle size. by…
Q: What are the properties that determine retention time in the Chromatography process?
A: In chromatography, retention time is the interval between the injection of a sample and the…
Q: What are the disadvantages of uses the Thick Layer stationary phase in Thin Layer Chromatography…
A: What are the disadvantages of uses the Thick Layer stationary phase in Thin Layer Chromatography…
Q: What types of flow meters are used in gas chromatography?
A: ANSWER IS
Q: Choose the best answer. What are the factors that need to be considered in HPLC to ensure the two…
A: Introduction : HPLC means High pressure liquid chromatography it is used to find out the drug…
Q: Why is a filter paper preferred over a sintered glass filter?
A: Filtered paper is made up of fiber and there are numerous holes (obviously of microscopic size) in…
Q: A gel filtration column has a radius (r) of 0.80 cm and a length (l) of 20.0 cm. Calculate the total…
A:
Q: What properties should the stationary-phase liquid for gas chromatography possess?
A: Desirable properties of the stationary phase for GC include low volatility, thermal stability,…
Q: At the completion of the experiment, a student measures the solvent front to be 55 mm from the…
A:
Q: Answer in your own words. What is the advantage of very small particle sizes in Liquid solid…
A:
Q: Describe two general methods for improving the resolution of two substances on a chromatographic…
A: Chromatographic column is the instrument made of plastic or glass that is used in the process of…
Q: A measurment for the Lambda-max for a colored solution is 671 nm with a very high Absorptivity.…
A: The frequency of light is the ratio of the standard speed of the light in a vacuum to the light's…
Q: What is the benefit of cooling down the separation capillary in a CE system to low temperature?
A: Answer - Capillary electrophoresis - Capillary electrophoresis is a family of electrokinetic…
Q: What are the disadvantages of uses the Thick layer stationary phase in Thin layer Chromatography…
A: There was so many disadvantages of uses of thick layer stationary phase in thin layer…
Q: 1. This chromatographic parameter is a measure of efficiency. 2. A high value of the means high…
A: To fill in the blanks for HPLC:
Q: Why are stemless funnels preffered for hot filtirations?
A: We should use stemless funnels during hot filtration's.
Q: Compare thin layer chromatography and paper chromatography technique with aspects such as…
A: Chromatography is the laboratory technique for the separation and isolation of a variety of samples…
Q: what is the difference between linear voltammetry, cyclic voltammetry and differential anodic…
A: Voltammetry is an electroanalytical technique where the information about an analyte is obtained by…
Q: Why do brands broaden as they travel through a chromatography column ?
A: In analytical chemistry, To separate a single compound from a mixture, Column chromatography is…
Q: In the context of chromatographic separation, discuss Eddy diffusion, longitudinal diffusion, and…
A:
Q: In thin layer chromatography what is the mobile phase?
A: Chromatography is a technique used for the separation of non-volatile liquids.
Q: a) Thin layer chromatography (TLC) and high performance liquid chromatography (HPLC) can be used as…
A: The solution of the question is given below:
Q: What type of materials can be used as the stationary phase for column chromatography? O Inorganic…
A:
Q: Explain how can thin layer chromatography and paper chromatography be used to verify the efficiency…
A: Please find your solution below : Paper chromatography is a technique used for separating the…
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- Microstructure of a steel contain 100% coarse pearlite it carbon content is reported to be 0.65% is it possible? And why ?High L/G ratios result in high operating costs of SO2 scrubbing. Why?1. What is drying to a constant weight? 2. Aside from sieving, what other methods are used to determine particle size. Give and describe briefly at least two methods.