Petro Rabigh: PMMA-Residual Monomer QC Work Instruction

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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?

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

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

Keep away from sources of ignition Signup and view all the answers

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

Quality control in the production of PMMA Signup and view all the answers

What is the length of the GC operation condition column?

30 m Signup and view all the answers

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

10 min Signup and view all the answers

What is the injection volume for the injector used?

2μl Signup and view all the answers

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

To act as an internal standard substance Signup and view all the answers

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

To precipitate the polymer for analysis Signup and view all the answers

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

To dissolve the PMMA pellets sample Signup and view all the answers

What is the abbreviation for Methyl Acrylate?

MA 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.

True Signup and view all the answers

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

True Signup and view all the answers

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

True 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.

True Signup and view all the answers

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

To dissolve the polymer completely Signup and view all the answers

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

To dissolve the polymer completely Signup and view all the answers

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

Determining the residual monomer in PMMA Signup and view all the answers

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

To precipitate the polymer Signup and view all the answers

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

Not mentioned in the text Signup and view all the answers

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

Not mentioned in the text Signup and view all the answers

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

False Signup and view all the answers

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

True Signup and view all the answers

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

False Signup and view all the answers

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

True Signup and view all the answers

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

True Signup and view all the answers

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

To prepare the sample for GC analysis Signup and view all the answers

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

To facilitate polymer precipitation Signup and view all the answers

What is the abbreviation for Methyl Methacrylate (MMA)?

MMA Signup and view all the answers

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

This information is not provided Signup and view all the answers

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

Determining residual monomer concentration in PMMA Signup and view all the answers

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

To precipitate the polymer Signup and view all the answers

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

To dissolve the sample Signup and view all the answers

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

MIBK Signup and view all the answers

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

Gas chromatography Signup and view all the answers

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

To precipitate the polymer Signup and view all the answers

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

To dissolve the polymer Signup and view all the answers

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

Gas chromatography (GC) Signup and view all the answers

Petro Rabigh: PMMA-Residual Monomer QC Work Instruction

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Questions and Answers

What is the purpose of this work instruction?

What is the abbreviation for Methyl Methacrylate (MMA)?

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

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

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

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

What is the length of the GC operation condition column?

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

What is the injection volume for the injector used?

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

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

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

What is the abbreviation for Methyl Acrylate?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

What is the abbreviation for Methyl Methacrylate (MMA)?

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

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

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

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

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

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

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

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

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

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