Direct determination of a polymeric hindered amine light stabilizer in polypropylene by thermal desorption-gas chromatography assisted by in-line chemical reaction
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概要
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A method to determine a polymeric hindered amine light stabilizer (HALS), Adekastab LA-68LD, in polypropylene (PP) was developed on the basis of reactive thermal desorption-gas chromatography (RTD-GC) in the presence of an organic alkali, tetramethylammonium hydroxide [(CH3)4NOH, TMAH]. RTD-GC using 25% TMAH methanol solution allowed the sensitive determination of HALS in PP as methylated fragments on the resulting chromatogram with a 4.8% relative standard deviation without the need for any sample pre-treatment.
- Royal Society of Chemistryの論文
- 2000-02-22
Royal Society of Chemistry | 論文
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