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Standard Test Method for Determining Unreacted Monomer Content of Latexes Using Gas-Liquid Chromatography (Withdrawn 2019)
Automaticky přeložený název:
Standardní zkušební metoda pro stanovení nezreagovaného monomeru Obsah Latexy pomocí plynové chromatografie
NORMA vydána dne 1.7.2014
Označení normy: ASTM D4747-02(2014)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.7.2014
Kód zboží: NS-28416
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
analysis of monomers, acrylic latexes chromatography (subheading gas chromatography), gas chromatography, latex paints, latex vehicles, styrene, trace monomers, unreacted monomers in latexes, ICS Number Code 83.040.10 (Latex and raw rubber)
Significance and Use | ||||
4.1 Excessive amounts of unreacted monomer may cause concerns relating to toxicity and odor. This test method is designed to measure the unreacted monomer content of latexes. The results may be used to monitor the extent of polymerization during manufacture, as well as to establish maximum unreacted monomer content for regulatory purposes. |
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1. Scope | ||||
1.1 This test method covers the determination of free monomer content of acrylic latexes. Monomers that have been successfully determined by this procedure include 1.2 The volatile composition of acrylic latexes is expected to change with time and environmental factors. This time dependence of the determination may be seen as an artificially large deviation of results, making the method mostly applicable for in-house quality control, where sampling and analysis conditions can be better controlled. 1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 1.4 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. See Section 7 for specific hazard statements. |
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2. Referenced Documents | ||||
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