Petro Rabigh: PMMA-Residual Monomer QC Work Instruction
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Questions and Answers

What is the purpose of this work instruction?

  • To conduct safety training for PMMA handling
  • To determine residual monomer concentration in PMMA (correct)
  • To synthesize PMMA pellets
  • To analyze the properties of PMMA

    • What is the abbreviation for Methyl Methacrylate (MMA)?

  • Methanol
  • MSDS
  • MA (correct)
  • MIK

    • What apparatus is used to determine the concentration of MMA monomer and methyl acrylate?

  • pH Meter
  • Gas Chromatograph (correct)
  • Spectrophotometer
  • Centrifuge

    • What is the procedure for equipment calibration mentioned in the work instruction?

    <p>Preparing standard solutions A, B, C, and D in 2 mL vials</p> Signup and view all the answers

    What is the safety precaution for handling Methyl iso-butyl ketone (MIK)?

    <p>Keep away from sources of ignition</p> Signup and view all the answers

    What is the main focus of the work instruction PMMA-Residual Monomer?

    <p>Quality control in the production of PMMA</p> Signup and view all the answers

    What is the length of the GC operation condition column?

    <p>30 m</p> Signup and view all the answers

    What is the temperature hold time for the GC operation condition column?

    <p>10 min</p> Signup and view all the answers

    What is the injection volume for the injector used?

    <p>2μl</p> Signup and view all the answers

    What is the purpose of using methyl isobutyl ketone in the analysis process?

    <p>To act as an internal standard substance</p> Signup and view all the answers

    What is the purpose of adding 30 mL of methanol in step 5.5 of the process?

    <p>To precipitate the polymer for analysis</p> Signup and view all the answers

    What is the role of acetone in step 5.2 of the process?

    <p>To dissolve the PMMA pellets sample</p> Signup and view all the answers

    What is the abbreviation for Methyl Acrylate?

    <p>MA</p> Signup and view all the answers

    The concentration of MMA monomer and methyl acrylate are determined with gas chromatography according to the internal standard method.

    <p>True</p> Signup and view all the answers

    Methyl iso-butyl ketone should be kept away from sources of ignition.

    <p>True</p> Signup and view all the answers

    Acetone is used in step 5.2 of the process for sample preparation.

    <p>True</p> Signup and view all the answers

    The purpose of adding 30 mL of methanol in step 5.5 of the process is to precipitate the polymer.

    <p>True</p> Signup and view all the answers

    What is the purpose of adding acetone in step 5.2 of the process?

    <p>To dissolve the polymer completely</p> Signup and view all the answers

    What is the purpose of adding MIK (internal standard) in step 5.4 of the process?

    <p>To dissolve the polymer completely</p> Signup and view all the answers

    What is the main focus of the work instruction PMMA-Residual Monomer?

    <p>Determining the residual monomer in PMMA</p> Signup and view all the answers

    What is the role of methanol in step 5.5 of the process?

    <p>To precipitate the polymer</p> Signup and view all the answers

    What is the injection volume for the injector used in this process?

    <p>Not mentioned in the text</p> Signup and view all the answers

    What is the temperature hold time for the GC operation condition column?

    <p>Not mentioned in the text</p> Signup and view all the answers

    In step 5.3, the sample bottle is stirred for 8 hours before adding the internal standard?

    <p>False</p> Signup and view all the answers

    The GC vial is kept in the GC sample holder in step 5.7?

    <p>True</p> Signup and view all the answers

    The result from chromatogram is noted at the beginning of the analysis in step 5.8?

    <p>False</p> Signup and view all the answers

    The result for residual monomer is recorded in LIMS rounded to two decimal places in step 5.9?

    <p>True</p> Signup and view all the answers

    The waste sample is disposed to the appropriate waste container in step 5.10?

    <p>True</p> Signup and view all the answers

    What is the purpose of adding acetone in step 5.2 of the process?

    <p>To prepare the sample for GC analysis</p> Signup and view all the answers

    What is the role of methanol in step 5.5 of the process?

    <p>To facilitate polymer precipitation</p> Signup and view all the answers

    What is the abbreviation for Methyl Methacrylate (MMA)?

    <p>MMA</p> Signup and view all the answers

    What is the temperature hold time for the GC operation condition column?

    <p>This information is not provided</p> Signup and view all the answers

    What is the main focus of the work instruction PMMA-Residual Monomer?

    <p>Determining residual monomer concentration in PMMA</p> Signup and view all the answers

    What is the purpose of adding 30 mL of methanol in step 5.5 of the process?

    <p>To precipitate the polymer</p> Signup and view all the answers

    What is the role of acetone in step 5.2 of the process?

    <p>To dissolve the sample</p> Signup and view all the answers

    What is the abbreviation for Methyl iso-butyl ketone (MIK)?

    <p>MIBK</p> Signup and view all the answers

    What apparatus is used to determine the concentration of MMA monomer and methyl acrylate?

    <p>Gas chromatography</p> Signup and view all the answers

    What is the purpose of adding 30 mL of methanol in step 5.5 of the process?

    <p>To precipitate the polymer</p> Signup and view all the answers

    What is the role of acetone in step 5.2 of the process?

    <p>To dissolve the polymer</p> Signup and view all the answers

    What apparatus is used to determine the concentration of MMA monomer and methyl acrylate?

    <p>Gas chromatography (GC)</p> Signup and view all the answers

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