This method is for the determination of vinyl chloride from ethylene dichloride, vinyl chloride, and polyvinyl chloride manufacturing processes using integrated sampling procedures and analysis by GC/FID (flame ionization detector). Note that this method does not measure vinyl chloride in particulate matter.
An integrated sample is collected using a heated, stainless steel probe with glass wool to remove particulate matter, Teflon lines, a 50-100L Tedlar bag, and a pump/rotameter. An aliquot of the sample is measured by GC/FID.
A majority of these analyses are performed on-site because of the short holding times for analysis required by the method. The method requires analysis within 72 hours of sample collection and recommends analyzing the sample within 24 hours of collection if possible. The sample should be kept out of direct sunlight to avoid any photodegradation effects.
If the sample is going to be sent to a laboratory for analysis, do not fill the bag to more than 1/3 to 1/2 of it's capacity. The bag must have room to expand during air transport so that it doesn't burst.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Samples must be analyzed within 72 hours of sample collection and it is recommended to analyze them within 24 hours of collection if possible. |
| Preservatives: | Keep out of direct sunlight. |
| Required Preps: | Tedlar bag |
| Collection Method: | Sampling per Method 106 procedures. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
106
|
| SKU | Item | Price | |
|---|---|---|---|
| TB | Sampling Bags: Air Sampling Bags | $ Call for Price | |
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Vinyl chloride | C2H3Cl |
75-01-4 |
0.1 |
ppmv |
* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.