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: Why was it important that you marked the origin line and component locations on the paper…
A: Pencil is made up of either graphite or lead and it does not have any interaction with the mobile…
Q: Column Chromatography of Spinach Pigments What effect would using pure acetone have on the elution…
A: The mixtures are separated by using a laboratory technique called chromatography.
Q: Retention Time Area of Peak % of Total Identity Component 1 Component 2 Component 3
A: Given data:
Q: Explain
A: In TLC analysis we put solvent below the sample spot .
Q: How the 2D Thin layer Chromatography separation processes are worked? Please shortly answer at your…
A: Hh
Q: In Thin Layer Chromatography，why does the least polar of the analytes （biphenyl）have a higher Rf…
A:
Q: C. >) Order the compound A, B and C from lowest to highest Rr. The sample is spotted on a silica gel…
A:
Q: Retention Time Of Cyclohexene?
A: Retention time is the time interval between compound introduced or chromatogram starting to maximum…
Q: order to execute paper chromatography, which of the following stages is required? I. Load the…
A:
Q: Why is it necessary to determine the nature of sample (e.g. type of analyte/sample) before…
A: Answer - Preparation is a very important step in most analytical techniques, because the techniques…
Q: Why do we need to add sand on top of the silica in column chromatography? What could happen if we…
A: The presence of different compounds in the mixture is separated by employing the separation methods.…
Q: What is the impact of the shape of the solvent front in CE (Capillary Electrophoresis) compare to…
A: Capillary electrophoresis (CE) is an analytical technique that separates ions based on their…
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: Why is it important to mark the solvent level on the chromatography paper as soon as you remove it…
A: We know that, it is important to mark the solvent level on the chromatography paper as soon as it is…
Q: Why is it important to use volatile solvent with an ESI source?
A: Volatile solvents are liquids that vaporize at room temperature. These organic solvents can be…
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: Explain how solid-phase microextraction works. Why is cold trapping necessary during injection with…
A:
Q: Discuss the type of chromatographic system and corresponding reagent
A:
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: When the use of 2D Thin layer Chromatography is better than normal TLC? Please shortly answer at…
A:
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: Three sample, X (neutral), Y (basic), and Z (acidic), were mixed and dissolved together in…
A: Dissolve the mixture in dichloromethane and separate the organic and aqueous layer using liquid…
Q: The eluent is to be below the 1.5 cm line on the chromatographic paper. Describe the expected…
A: Introduction- Thin layer chromatography(TLC) is a separation technique where the compounds are…
Q: Name of experiment : Gas Chromatography (GC);Separation of alcohols Q1:Purpose of experiment…
A: Ans. Gas chromatography: Gas chromatography (GC): Separation of alcohols (1) Purpose of experiment:…
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: What is the effect of mobile phase on each (known) sample when doing Gas Chromatography?
A: Gas chromatography (GC) is a special type of chromatographic separation technique that is used to…
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: (iii) What would be the effect on the retention time and order of eluting if the C18 column is…
A: Answer. C18 column has 18 carbon atoms, having a longer carbon chain makes it's retention time…
Q: What are the functions and procedure of analysis of many volatile organic molecules by using Gas…
A: Gas chromatography (GC) is an analytical technique used to separate the chemical components of a…
Q: Enlist the solvents used as stationary and mobile phases in paper chromatography and Gel Permeation…
A: The separation technique used for the separation of the components present in the mixture is termed…
Q: An orange compound was added to the top of a chromatography column. Solvent was added immediately,…
A: An orange compound was added to the top of a chromatography column. The solvent was added…
Q: 1) Study the chromatograph (below) of a mixture of Compounds A and B, run on the GCs in the teaching…
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: Why is it necessary to use cold trapping on the gas chromatography column if sample is introduced…
A: Gas chromatography is an analytical technique o separate the components of a sample mixture. Here…
Q: Explain how it is that SPE cartridges & disks allow analysts to more efficiently pre- concentrate…
A: Interpretation- To explain that how SPE cartridges and disks allow analysts to more efficiently…
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: _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: 1. Given the following chromatogram, mark the middle of each cation spot and calculate the Ry value…
A:
Q: Why ink must never be used to mark the TLC (Thin-Layer Chromatography) plate?
A: Thin chromatography plate is very commonly used in industries for identifying of a compound . Purity…
Q: What is the polarity of the compounds closest to the point of application on the filter paper when…
A: Chromatography is used to separate mixtures of substances into their components. All forms of…
Q: At the completion of the experiment, a student measures the solvent front to be 55 mm from the…
A:
Q: How to determine which is the most polar and least polar in REVERSE PHASE thin-layer chromatography?…
A: Chromatography technique is used to separate compounds from mixture of compounds.Let's discuss the…
Q: (b) In a chromatographic analysis of low molecular-weight acids, butyric acid and isobutyric acid…
A: Given, Retention time for butyric acid = 7.63 min Retention time for isobutyric acid = 5.78 min…
Q: loxvelther-a xV waher Velher V wher Q2.Achieving better liquid-liquid phase extraction and 100%…
A: •Liquid-liquid extraction also known as solvent extraction and partitioning, is a method to separate…
Q: The following chromatographic peaks indicate the undesirable interaction and separation that taken…
A: Abnormal chromatographic peaks:
Q: 4. a. What physical property of a compound predicts whether that compound travels slowly or rapidly…
A: Gas chromatography is an analytical method to separate the components of a mixture in a sample by…
Q: How GC retention time can be affected by the mobile phase flow rate and the temperature of the…
A:
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- Course: Logical MathematicsFran and Juan Carlos have finished analysis of 112.5 GRAMS of sediments they collected at mouth of a river, and have spent 5 minutes for every 20 MILIGRAMS (MG) of minerals.How many MINUTES did they spend in total for 112.5 GRAMS? (Remember that 1 GRAM = 1,000 MG). Please details of procedureHow can you use ion exchange Chromatography to de-ionize water? Please shortly answer at your own words. Answer should be to the point (specific 4-5 lines).Volatile and semi-volatile compounds can be analyzed by GC
- What is the role of specific visualizing agents in a Thin layer Chromatography? Please shortly answer at your own words. Answer should be to the point (4-5 lines).what is the difference between liquid phase extraction and solid phase extraction?How to identify spots on Thin layer Chromatography? Please shortly answer at your own words. Answer should be to the point (specific 4-5 lines).