Gas chromatography - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Gas chromatography? On this page you'll find 510 study documents about Gas chromatography.
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CFS Test Questions and Answers with Certified Solutions
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CFS Test Questions and Answers with 
Certified Solutions 
Which of the following is not an example of an additive used to inhibit lipid oxidation? 
A) tocopherols 
B) ascorbic acid 
C) sodium benzoate 
D) EDTA C) sodium benzoate 
In a vegtable operation, the process specifies that peas be blanched prior to canning. What is the 
marker enzyme used to determine success of blanching? 
A) catalase 
B) peroxidase 
C) lipoxygenase 
D) chlorophyllase B) peroxidase 
What is the most effective analytical...
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ABMDI Board Certification Exam Questions With Verified Answers
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ABMDI Board Certification Exam Questions 
With Verified Answers 
Barbituates - answerFour main categories: 
1. Ultra-short-acting - used to induce surgical anesthesia 
2. Short-acting 
3. Intermediate-acting - used as sedative-hypnotics 
4. Long-acting 
Butalbital - answerBarbituate. Used in treatment of migraines. 
Phenobarbital - answerBarbituate. Used as anticonvulsant. 
Pentobarbital - answerBarbituate. Used to relieve intracranial pressure following trauma. 
Atropine - answerBelladonna Alka...
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ALevel Chemistry - Gas Chromatography (GC) and GC-MS Chromatrography
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Gas Chromatography (GC) and GC-MS Chromatrography
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Chem 241 L Exam 2 Chromatography Questions And Answers Latest Update 2024
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Goals of separation - correct answers Recovery of product- catching the desired solute after separation 
Purity of product- how many and how much of various components 
 
Type of Chromatography - correct answers Partioning= liquid SP, liquid or gas MP 
Adsorption (Chemical sticking)- solid SP, liquid or gas MP 
Ion-Exchange- bonded anion(-) or action (+) SP, liquid MP 
Molecular Exclusion (size exclusion, gel permeation)-pores SP, liquid MP 
Affinity- Antigen/Antibody SP, liquid MP 
 
Solvent do...
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CSMLS Practice Questions With 100% Correct Answers 2024 A+ Graded
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CSMLS Practice Questions With 100% Correct Answers 2024 A+ Graded 
Which is the detector of choice for nephelometers? 
Select one: 
a. diode array 
b. photomultiplier tube 
c. gas photodiode 
d. LED - Correct Answer-b 
Which statement regarding turbidimetry is NOT correct? 
Select one: 
a. light scattered by solutes in the solution at 180° from the incident light is measured by a photon 
detector 
b. the measurement of light is made at right angles to the incident light 
c. scattered light is ...
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Chemistry Content Knowledge 5245 (Reactions/Structures) Review Questions and Answers
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Polarimetry, Spectroscopy, Pressure Measurement Three ways to measure a change in concentration 
 
Gas chromatography, mass spectrometry, titration Methods used to measure slow reactions with aliquots 
 
Zero Order Reaction rate of the reaction is independent of the concentration of the reactant 
Rate = k[A]⁰ = k 
 
First Order Reaction rate of the reaction is directly proportional to the concentration of the reactant 
Rate = k[A]¹ 
Unimolecular: A → products 
 
Second Order Reaction rate o...
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ABMDI Board Certification Exam 2024 with Guaranteed Correct Answers
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Barbituates - correct answer Four main categories: 
1. Ultra-short-acting - used to induce surgical anesthesia 
2. Short-acting 
3. Intermediate-acting - used as sedative-hypnotics 
4. Long-acting 
 
Butalbital - correct answer Barbituate. Used in treatment of migraines. 
 
Phenobarbital - correct answer Barbituate. Used as anticonvulsant. 
 
Pentobarbital - correct answer Barbituate. Used to relieve intracranial pressure following trauma. 
 
Atropine - correct answer Belladonna Alkaloid. Derive...
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Distinction Level BTEC Applied Science Assignment C, Chromatography.
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Distinction Level BTEC Applied Science Assignment C, Chromatography. Separate to identify chromatography 
Keywords 
Mixture : a mixture is made when two or more substance are combined , but they are not chemically 
bonded together 
Chromatography : a method used to separate chemical mixtures for analysis 
Soluble :solubility is the degree to which a substance dissolves in a solvent to make a solution 
Solvent : the substance in which a solute dissolved to produce a homogeneous mixture 
Mobile ph...
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Chapter 24 Vocab Chem 241 UNC Questions And Answers Latest Update 2024
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carrier gas - correct answers MP gase in GC 
 
cold trapping - correct answers Splitless gas chromatography injection technique in which solute is condensed far below its boiling point in a narrow band at the start of the column. 
 
electron capture detector - correct answers gas chromatography detector that is particularly sensitive to compounds with halogen atoms, nitro groups, and other groups with high electron affinity 
 
flame ionization dectector - correct answers gas chromatography detec...
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CHEM 237 - Organic Chemistry Lab Final Exam TAMU 100% Solved
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CHEM 237 - Organic Chemistry Lab Final Exam TAMU 
100% Solved 
Separation by liquid-liquid extraction is based on 
a) compound's dielectric constant in 2 dif solvents 
b) # of theoretical plates in the separation 
c) use of phase transfer catalysts 
d) difference in boiling points of 2 liquids 
e) distribution of a compound between 2 immiscible phases - e) Distribution of a compound 
between two immiscible phases. 
Preparative gas chromatography is often chosen over distillation as a means of s...
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