Gas chromatography - Study guides, Class notes & Summaries

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...

ABMDI Board Certification (2023/2024) Already Passed Barbituates 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 Barbituate. Used in treatment of migraines. Phenobarbital Barbituate. Used as anticonvulsant. Pentobarbital Barbituate. Used to relieve intracranial pressure following trauma. Atropine Belladonna Alkaloid. Derived from certain plants including jimson weed ...

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...

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...

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...

Gas Chromatography (GC) and GC-MS Chromatrography

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 ...

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...

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...

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...