How GC retention time can be affected by the mobile phase flow rate and the temperature of the column

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: two chromatograms after LC separation. Which chromatogram is better to proceed for MS analysis? What…

A: LCMS is Liquid chromatography–mass spectrometry used  for separation, identification and percentage…

Q: Which of the following factors DOES NOT affect retention time of a sample undergoing normal phase…

A:

Q: Which of the following results from an in-line HPLC mobile phase filter becoming plugged with…

A: Correct option is B.

Q: What is the type of column used in chromatography (HPLC) and it's applications and mechanism

A: It is as follows

Q: Explain shortly how the chromatography will be influenced in a C18 reverse phase liquid…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: How the 2D Thin layer Chromatography separation processes are worked? Please shortly answer at your…

A: Hh

Q: How can I calculate the concentration from a GC/MS chromatogram which is having retention time and…

A: GC-MS chromatography also called the gas chromatography mass spectrometry is an analytical tool to…

Q: The following data were obtained during gas-liquid chromatography of a mixture of two volatile…

A: Given data for components X and Y:

Q: What would happen to the retention time of a compound if the followingchanges were made?a. Decrease…

A: Chromatography is the technique to separate components of a mixture.

Q: What controls the mobile phase flow rate in ascending TLC or paper chromatography? Do you think it…

A: The answer is given below

Q: In a gas chromatographic run, anthracene peak was eluted at 7.50 min. The adjusted retention time of…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: What is the factor that does NOT influence ‘retention time’ of an anlyte in gas chromatography? (a)…

A: Retention time depends upon  the time that solute spends in a column

Q: columns of equal length (time in min). Column 1 Column 2 10 suodsa opaad

A: Answer. For Component A we have 8-1.2 = 6.8

Q: Two components in an HPLC separation have retention times that differ by 22 s. The first peak elutes…

A: Soln

Q: When the use of 2D Thin layer Chromatography is better than normal TLC? Please shortly answer at…

A:

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: How does temperature, flow rate of carrier gas, boiling point and column suupport affect gas…

A: Explanation. Retention time-     Retention time is the amount of time a compound spends on…

Q: PART A: Substance A was found to have a retention times of 3.15 minutes on a 70.00-cm column. An…

A: Hello. Since the question contains multiple subparts, the first three parts are solved. In case the…

Q: Explain why a chromatographic separation normally has an optimum flow rate that gives the best…

A: When an fast flow rate is maintained, the band is not allowed to spend much time within the column…

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: A retention time of 85 s is obtained from a gas-chromatographic peak. The base width from the…

A:

Q: Which of the following factors DOES NOT affect retention time of a sample undergoing normal phase…

A: Retention time is the time period where a sample spend on column. Here we have to tell which factor…

Q: Type of guard column, separation column, and suppressor used for anion- exchange chromatography?

A: Anion exchange chromatography is a process that  work for the separation of substance based on their…

Q: What types of flow meters are used in gas chromatography?

A: ANSWER IS

Q: What are the main differences in column size, operating pressure, sample volume and run time between…

A: Chromatography is a technique  which is used for separating the components, or solute of a mixture…

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: A solute with a retention time of 400.0 s has a width at half-height of 8.0 s on a  column 12.2 m…

A: Introduction: Chromatography: Chromatography is an analytical technique used to separate the…

Q: For a chromatographic peak, what is the value of retention time of analyte tR if retention time of…

A: Correct Option :  A.   75.15 s

Q: An open tubular chromatography column is 28.7 m long with an inner diameter of 0.503 mm . The inside…

A: Note -Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: A mixture of A and B is injected into a liquid chromatographic column with length of 45 cm. The…

A: given- length of the plate= L = 45 cm plate height = H = ?

Q: A chromatographic peak has a retention time of 120 s. the width at the base of the peak equals 3.2s,…

A: Gas chromatography is an analytical technique used for the separation of chemical components of a…

Q: _is a chromatography technique in which the stationary phase 14. is always lon exchange resin."…

A: Chromatography is a technique in which we separate a single chemical compound from a mixture. If the…

Q: The total retention time of dodecane on a 15 m x 0.25 mm i.d. DB-5 GC column was 8.0 min. The column…

A: Given: Number of theoretical plates=N=25600Retention time=tR=8.0 min

Q: What is the retention factor of a sample when after injectiion the void time (tM) took 4.18 sec? The…

A:

Q: Methanol and Ethanol are separated in a capillary gas chromatography column with retention times of…

A:

Q: 5. Column Chromatography works by the same principle as TLC however the silica gel is not plated on…

A: To answer question 5.

Q: A chromatogram of a two-component mixture on a 25-cm packed LC column is shown in the figure below.…

A:

Q: Which is NOT a factor that affects retention time? I. the pressure used II. The nature of the…

A: the retention time will vary depending on: the pressure used (because that affects the flow rate…

Q: Determine the order of inhibition time of hexane, hexanol and benzene compounds in the reverse phase…

A: Given compounds: Hexane, hexanol and Benzene. To determine: The order of Inhibition time in Reverse…

Q: How to create a better chromatographic separation(supercritical fluid) without changing the column…

A: Please find your solution below : Chromatography is an analytical technique which is used for the…

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: Table 2. Effect of injection volume and temperature on retention time, peak width and resolution.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the retention factor of a sample when after injectiion the void time (tM) took 4.73 sec? The…

A: Answer: Retention factor is equal to the ratio of difference (between retention time and void time)…

Q: Two components of a 12-mg sample are adequately separated by chromatography through a column 1.5 cm…

A: Given: 1) There are two components of a 12-mg sample = Small column mass 2) The column is 1.5 cm in…

Q: Consider a separation performed on a 40.0 mm long open tubular column with a 0.50 mm diameter and a…

A: Compound A eluted at 12.51 min; Compound B eluted at 13.37 min; unretained solvent eluted at 1.145…

Q: Gel permeation chromatography depends on the degree of species segregation of a sample

A: Given         Gel permeation chromatography depends on the degree of species segregation of a sample…

Q: You must separate three different compounds with reversed phase HPLC. Compound 1 is an acid (pKa =…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: What is the main difference between reverse phase HPLC and standard ion-exchange or gel filtration…

A: The main difference between reverse phase HPLC and standard ion-exchange or gel filtration…