In SPME the sorbent coating is applied to thissubstrate:Outer surface of a fiberO hrner surface of a capilaryOn a stir barO None of the aboveD Question 18The equilibrium amount of an analyteextracted by a solid phase microextractioncoating is indenendent of thisO Analyte concentrationO Sample volumeCoating thicknessO None of the above

Answer_Unnumbered question: Solid phase micro extraction(SPME) technique that is used to extraction…

Answered: In SPME the sorbent coating is applied…

In SPME the sorbent coating is applied to this substrate: O Outer surface of a fiber O inner surface of a capilary O On a stir bar O None of the above

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter12: Spectrochemical Methods

Section: Chapter Questions

Problem 4P

See similar textbooks

Related questions

Q: V. Give what is asked. 1. When 2 carbon atoms form a double bond, how many pairs of e- will be…

A: V. (1) When two carbon atoms form a double bond as - C=C Each of the bond present…

Q: Draw the possible Lewis structures of nitrosyl chloride, NOCl. Propose which one would be the most…

A: Resonance structure are formed due to de-localization of pi electrons. So, the resistance structures…

Q: Which of the following 1-mol salts when dissolved in 100 mL water produces a basic (alkaline)…

Q: 4. Write the product and give mechanism. (i) *CO Et (ii) =CH3 PMes Rh H, RCN/. MesP

Q: Be sure to answer all parts. Calculate the nuclear binding energy (in joules) and the binding energy…

Q: Which of the following may have caused the formation of bands of the components? (base on the…

A: It is asked in the question to answer for which reason the formation of bands of the components…

Q: (d) Consider the titration of 30.0 mL of 0.050 0 M piperazine with 0.300 M HCI. Calculate the pH at…

A: Here 30 ml of 0.05 M piperazine is titrated with 0.3 M HCl . We have to determine the pH of solution…

Q: A mixture of two gases with a total pressure of 2.00 atm contains 0.70 atm of Gas A. What is the…

A: Given:: Total pressure =2.00 atm PA=0.70 atm PB= ?

Q: In Lieberman's Test, what will you be observing when you add water, sodium nitrite and concentrated…

A: Leiberman's test is used to detect the presence of phenolic group in a compound.

Q: Write the equilibrium constant expressions for each of the following balanced chemical reactions: 1.…

A: Equilibrium constant is the ratio of product of concentration of products raised to their…

Q: (1) Show the all shapes of bonding and antibonding molecular orbitals (MOs) by combinations of two p…

Q: Neptunium-237 undergoes a radioactive decay chain before it reaches nuclear stability, forming the…

Q: The decomposition of ammonia on a platinum surface at 856 °C NH3 1/2 N2 + 3/2 H2 is zero order in…

Q: Bismuth-214 undergoes a radioactive decay chain before it reaches nuclear stability, forming the…

A: Here we are required to show the radioactive chain decay of 214 Bi to form stable 206 Pb via several…

Q: A common buffer present in foods uses citric acid (pKa = 3.11) and its conjugate base. If the…

Q: The usual concentration of the agarose gel used is 1% (w/v) agarose. If you were to make 50 ml of…

Q: Which of the following acids or bases will have the lowest pOH? Select one: OA 0.10 M H2SO4 (pKa,…

Q: 4. Write the product and give mechanism. (i) *CO .Fe Ph, Et (ii) E CH3 RCN.. CRh Me,P PMes

A: The first reaction is migratory insertion of Et to CO carbon. In the second reaction, metal (Rh) act…

Q: Kindly complete the following nuclear reactions. asap please

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: At STP, 5.00 mol of gas occupies approximately what volume in liters?

A: 1 mole = 6.022×1023 (Avogadro's number) STP (Standard Temperature and Pressure) : Standard…

Q: Arrange the following amines in order of decreasing base strength. Rank from strongest to weakest…

A: We can see Basicity of amines according to stability of conjugate acids. ->As the electron…

Q: Select the correct Lewis structure for SrF2, which is an ionic compound. 1- Sr2+ Sr Sr :F Śr None of…

Q: One mole of N2 at 293.5 K and 5.29 bar undergoes a transformation to a state described by 418 K and…

A: The change in entropy of one mole of N2 from 293.5 K and 5.29 bar to 418 K and 4.53 bar is needed…

Q: Using a skeletal structure, give the structure corresponding to the name (s)-3-iodo-2-methylnonane.

A: Note : write parent chain first. Then substituents to parent chain and wedge/dash line to…

Q: A buffer was prepared by mixing 100.0 mL 0.500 M of the acid (shown on the left) with 50.0 mL 0.500…

A: In the given situation, the acidic group involved is So, the value of pKa to be used is 2.19

Q: lodine-131 is used to treat Graves disease, a disease of the thyroid gland. The amount of 1311 used…

A: Dose is 86 microcuries per gram of thyroid gland.

Q: Why is the isotope 1Ci radioactive while 35Cl and 37Cl are not? Elements with an number of protons…

A: 36Cl is radioactive and unstable because it has odd no. of protons and neutrons whereas other two…

Q: The carbon-14 decay rate of a sample obtained from a young tree is 0.263 disintegration per second…

A: Solution - According to the question - Given - Ao = initial activity = 0.263dps A = activity at time…

Q: Calculate the potential measured for the following cell at 298 K. Cr(s) | Cr3+(aq) (0.0070 M) ||…

A: Given-> Cr(s)/Cr3+(aq)(0.0070M)//Ni2+(aq)(0.97M)/Ni(s) E°cell = +0.50 Volt

Q: A catalyst affects the rate of the forward reaction by changing which of the following? Activation…

A: Catalyst :- A catalyst which increases the rate of chemical reaction without itself undergoing any…

Q: Name three (3) other types of samples that can be analyzed in a typical acidimetric process.Explain

A: Acidimetry, is a quantitative analysis method where the direct or residual titrimetric analysis of…

Q: At 25.0° C, a 10.00 L vessel is filled with 5.00 atm of Gas A and 7.89 atm of Gas B. What is the…

Q: lonic compounds and organic compounds usually undergo spontaneous chemical reactions, depending on…

Q: 2. ond DrNuy the

A: I guess there is a mistake in the formula given. It should be Li4(Mo2(CH3)8.

Q: Complete the following table, which lists information about the measured acid dissociation constants…

Q: Why is a boiling stone used when solvents are heated to boiling point?

A: Boiling stones are small pieces of black porous rock that are added to solvent or solution.

Q: How many moles of O2 gas are produced at 1 atm pressure and 25 °C by the electrolysis of an aqueous…

Q: Answer the following question with reference to the molecule below: 61 H3C H (a) Label…

A: Answer - Since you have posted multipart of question as per the guidelines i have solved first three…

Q: dentify which type of isomer the following structures represent a. Skeletal Isomer но OH он Ь.…

A: ->Isomers are the compounds which has same molecular formula but different either in sequence of…

Q: several Ph. steps Br OH Please explain the mechanism and steps of the synthesis. Thank you!

A: This compound synthesized by the Grignard reagent. The Grignard reagent is generated by treating the…

Q: Enter your answer in scientific notation. Be sure to answer all parts. Calculate the nuclear binding…

A: Given-> Atomic mass of Li = 7.01600 amu Number of proton = 3 Number of neutron = 7-3 = 4

Q: One mole of N2 at 293.5 K and 5.29 bar undergoes a transformation to a state described by 418 K and…

A: Answer: At constant pressure enthalpy change for the system is dH=nCpdT Here: dH=enthalpy…

Q: I. (a) Determine the metal-metal bond order consistent with the 18-electron rule for the following :…

A: The number of metal-metal bond order is given below

Q: 1. Gold-198 is used in the diagnosis of Ilver problems. If the half-life of Au-198 is 2.69 days: a…

A: Given-> Half life = 2.69 days Initial amount = 9.21 mg Time = 72.9 days

Q: How much work is done at 25 °C during the combustion of 2.03 g of ethanol, C2H5OH?

Q: Which of the following is NOT a buffer solution? Select one: O A. 5.0 mL 1.0 M HBr + 15.00 mL 1.0 M…

A: Option B is the correct answer. 10.0 ml 1.0 M CH3COOH + 10.00ml 1.0M NaOH

Q: Consider the following reaction at equilibrium: 2NH; (g) 2 N, (g) + 3H, (g) Le Châtelier's principle…

Q: (CH).С -СНСH(CH-CH)2 Hint: Draw the line-angle formula first, then пате it. а. b. с. Must use…

Q: 38. Rank the following molecules from lowest to highest boiling point: CH4, He, HF, C,H10- А. C4H10…

A: The correct order of boiling point is given below

Q: Volume of HCI pH 50.00 mL of 0.1000 M added, mL 50.00 mL of 0.000100 M NH,OH with 0.00100 M HCI…

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

Question

In SPME the sorbent coating is applied to this
substrate:
Outer surface of a fiber
O hrner surface of a capilary
On a stir bar
O None of the above
D Question 18
The equilibrium amount of an analyte
extracted by a solid phase microextraction
coating is indenendent of this
O Analyte concentration
O Sample volume
Coating thickness
O None of the above

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

We collected a clastic muscovite grain from the shale at sample K. The 40Ar/40K ratio is 0.65. What is the age of the grain?
For bulk crystalline sample which technique is best ? Give me handwritten answer with explaination?
Why is glass better than fused silica as a prism construction material for a monochromator to be used in the region of 400 to 80 nm?
Explain how the Rf (Retention Factor)-values can be in agreement or disagreement with the “like dissolves like” principle?
What other method besides conductivity can be used to determine CMC (critical micelle concentration)?
What effect will the following have on plate height (H). Make sure to explain your full and complete reasoning. Reducing the rate of sample injection.
hree components in a mixture have varying distribution constants between the mobile phase and the stationary phass One of the components has a very low distribution constant, Would this component likely elute first or last and how would you design an experiment or modify the components of the separation to make it perform in the opposite manner?
Define, describe, or illustrate the following: a. Selectivity factorb. Resolution factorc. Van Deemter’s equationd. Retention time/ volumee. Dead time
In coulometric karl Fisher water analysis, 25.0 mL of pure “dry” methanol required 4.23 C to generate enough I2 to react with residual H2O in methanol. A suspension of 0.8476 g of finely ground polymeric material in 25.0 mL of the same “dry” methanol required 63.16 C. Find the weight percent of water in the polymer.
Calculate Mn, Mw and the polydispersity index for a hypothetical polymer sample that contains equimolar amounts of polymer having molecular weights of 30,000, 60,000, and 90,000.
Calculate the number average molecular weight corresponding to the molecular weight distribution for the synthetic polymer sample fractionated in the graph below if the polydispersity index is 1.25
How the 2D Thin layer Chromatography separation processes are worked? Please shortly wtite at your own words. Answer should be to the point (5-6 lines maximum).