What is inert gas regeneration method?

Q: 1. What is drying to a constant weight? 2. Aside from sieving, what other methods are used to…

A: The detailed solution is shown below.

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: What happens when the level of the eluent solution in the developing chamber (beaker) is adjusted to…

A:

Q: Explain how the Rf (Retention Factor)-values can be in agreement or disagreement with the “like…

A: Interpretation -  To explain all about that how the Rf ( Retention factor ) - values can be…

Q: Study figures 31-6 a & b in chapter 31 (page 863) of your prescribed textbook, and draw separation…

A: 1

Q: What is Low-excess-air firing (LEA)?

A: Given: Low-excess-air firing (LEA)

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

A: It is as follows

Q: What is the purpose of the bead inside the thoma diluting pipette?

A: There are two types of bead (glass bead): 1. Red in colour in RBC pipette 2. White bead in WBC…

Q: In order to achieve the best separation of several components of different polarity in a mixture…

A: We know that like dissolves like. In other words, a polar solvent will dissolve a polar compound in…

Q: What are flame tests used to identify?

A: When the electrons of atoms are ground state, the electrons will be present in the lowest possible…

Q: Observations on the Cu sheet immersed in the solution before reversing the reaction and after…

A: Interprretation -  To observe what happpens when Cu sheet immersed in the solution before reversing…

Q: C. >) Order the compound A, B and C from lowest to highest Rr. The sample is spotted on a silica gel…

A:

Q: What are the considerations for choosing the solvent in the extraction?

A: Given: Considerations for choosing the solvent in the extraction.

Q: Briefly compare and contrast flash-photolysis with shock-tube method.

A: Flash-photolysis and shock-tube method are used to study kinetics of fast reactions.

Q: Explain about Liquid Chromatography technique.

A:

Q: Differentiate between isocratic elution and gradient elution. Why is gradient elution sometimes a…

A:

Q: What is the function of the hoppers in selective catalytic reduction (SCR) technique?

A: Selective catalytic reduction (SCR) technique is used for converting nitrogen oxides, (NOx) with the…

Q: Draw out the proposed catalytic cycle in photoATRP process using CuBr2 and MeTREN6.

A: Catalytic cycle in photoinitiated ATRP process using CuBr2 and Me6TREN.

Q: why isnt the product weighed when perfroming a gc chromatoram

A:

Q: why is acetic acid used in the mobile phase in HPLC?

A: Acetic acid can be used as a mobile phase additive to improve the separation and resolution of the…

Q: Give Four main precautions need to be considered when carrying out the following.

A: ANSWER IS :

Q: Why is sample dropped into the preheated furnace before the oxygen concentration reaches its peak in…

A:

Q: A 72.0 g sample of an organic solid is dissolved in 180mL of water. The solid is extracted using one…

A: A question based on analytical separation that is to be accomplished.

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: 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: Explain the working of fixed-bed carbon solvent recovery system.

A: An atom is the basic and fundamental unit of matter. An atom consists of electrons and the nucleus…

Q: What would be the effect of increasing the carrier gas flow rate on the retention rate?

A: Retention time is the distance that the compound cover from the time of injection till the maxima in…

Q: Explain the working of air stripping system?

A: To find: The working of air stripping system

Q: What is the other term for mobile phase in chromatography? (Eluant, Eluate, or Solvent)

A:

Q: At what stage was the internal standard added to the prepartions, in the protocol of this…

A: Step : 1             The required answer for the above question is follows as :

Q: Point out TWO (2) strategies to increase selectivity in solid phase extractions.

A: A question based on analytical separations that is to be accomplished.

Q: why is an electro thermal atomizer more sensitive than flame atomizer?

A: The oldest technique used in Atomic absorption spectroscopy is the Flame atomizer.

Q: what is quenching? (in accordance with the fluorescence using a cary eclipse spectrofluorimeter)

A: Answer - Quenching - In materials science, quenching is the rapid cooling of a workpiece in water,…

Q: Explain the effects of excess amount of anticoagulant in PVC result.

A: Answer -  Anticoagulant - Anticoagulants, commonly known as blood thinners, are chemical substances…

Q: Please what's the observation for the combustion of flame test  Combustion: Flame test      1.…

A: The observation for the combustion of the flame test has to be given,

Q: What is electrophoresis due to?

A: Interpretation: What is electrophoresis due to?

Q: What is the application of chromatography (HPLC) and it's mechanism ?

A: Answer.

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: Solve this

A: Solid phase extraction is technique of preparing sample with help of solid adsorbent. It is used to…

Q: What are possible sources of loss in an extraction experiment?

A: Extraction is a kind of fundamental technique which is used to isolate one compound from a given…

Q: What error would occur if the Sep-Pak C18 cartridge (the nonpolar stationary phase) was not…

A: C-18 cartridges are columns that are filled with packing material that act as stationary phase. The…

Q: Cuvette maintenance and cleaning is crucial for the success of spectroscopic analysis. Which is NOT…

A: Spectroscopic analysis is a technique that can be used to study the interaction between…

Q: In atomic spectroscopic techniques, flames and furnaces are commonly used to atomize the samples.…

A: In atomic spectroscopic techniques, flames and furnaces are commonly used to atomize the samples.…

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

A:

Q: Does the amount of radiation (cpm) increase or decrease as the distance between the sorce and the…

A: Amount of radiation between the source and sensor is determine using the inverse square formula:…

Q: How column is developed and solvent selection is done in HPLC?

A: HPLC stands for High-pressure liquid chromatography or high-performance liquid chromatography.HPLC…

Q: Differentiate the types of pipettes according to calibration. Differentiate a transfer pipette from…

A: Sinve you have not mentioned the specific part of the question so i am solving the first two parts…

Q: Paper Chromatography laboratory report explanation

A: Paper chromatography is an analytical method used to separate colored chemicals or substances. It is…

Q: Purpose of quantitative transfer in experiments.

A: The dissolution of a solute in a solvent based on its solubility rule provides a solution. If the…