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Standard Test Method for Determination of Trace Organic Impurities in Monomer Grade Vinyl Chloride by Capillary Column/Multidimensional Gas Chromatography
STANDARD published on 10.10.2012
Designation standards: ASTM D5507-99(2012)
Note: WITHDRAWN
Publication date standards: 10.10.2012
SKU: NS-31493
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
capillary-column chromatography, VCM impurities, vinyl chloride monomer, ICS Number Code 83.080.20 (Thermoplastic materials)
Significance and Use | ||||||
5.1 The multidimensional approach permits all of the trace impurities to be well separated from the main vinyl chloride peak, thereby improving quantitative accuracy over established packed column methods. 5.2 The minimum detection limit (MDL) for all components of interest has been shown to be well below 500 ppb for this test method. |
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1. Scope | ||||||
1.1 This is a general-purpose capillary-based test method for the determination of trace level impurities in high-purity vinyl chloride. This test method uses serially coupled capillary PLOT columns in conjunction with the multidimensional techniques of column switching and cryogenic trapping to permit the complete separation of the 11 key vinyl chloride impurities in a single 25-min run. 1.2 This standard does not
purport to address all of the safety concerns, if any, associated
with its use. It is the responsibility of the user of this standard
to establish appropriate safety and health practices and determine
the applicability of regulatory limitations prior to use.
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