Determination of Chlorine and Bromine in Plastic Samples by Combustion Ion Chromatography

Wada, Ayaka; Miura, Tsutomu; Ohata, Masaki; Hioki, Akiharu

doi:10.2116/bunsekikagaku.64.543

Cited by 7 publications

(4 citation statements)

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“…The heating temperature of 80 C is the drying temperature generally used for plastic CRMs for chemical analysis to remove any moisture before analysis. [27][28][29] The heating temperature was also close to the temperature of ca. 90 C observed at the surface of the plastic disk after 1 h measurement by a WD-XRF spectrometer in our previous study.…”

Section: Instrumentssupporting

confidence: 60%

Effect of Long-time Heating for Elements from Flame Retardants in Acrylonitrile Butadiene Styrene and Polycarbonate Resin Disks

et al. 2018

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The effect of long-time heating for elements from flame retardants (FRs) such as dechlorane plus (DP), tetrabromobisphenol A (TBBPA), triphenyl phosphate (TPhP) and antimony trioxide (Sb2O3) in both acrylonitrile-butadiene-styrene (ABS) and polycarbonate (PC) resin disks was examined in the present study. The heating temperature by a drying oven was 80 C, which was expected to be a harder environment than that of usual dump site to discard electric and electronic equipment, and the long-time heating was carried out for up to 722 days. As a result, the increases for both ether (C-O-C) and ketone (C=O) groups and the decrease of C=C double bond as well as methylene group (=CH2) were found for an ABS resin disk by fourier transform infrared (FTIR) spectrometry, which was expected to result in an increase of mass of the disk up to ca. 4% due to oxidation during the long-time heating. The changes in concentrations for bromine (Br), chlorine (Cl), phosphorous (P) and Sb, which were originated elements from FRs contained, were also evaluated by energy dispersive X-ray fluorescence (ED-XRF) spectrometry and the decreases in concentrations of ca. 5% in ABS resin disk were observed which could be almost explained by increasing ca. 4% mass of the disk. On the contrary, the mass and chemical form of a PC resin disk as well as the concentrations of elements contained did not change during the long-time heating. From these results, it could be considered that most of the elements from DP, TBBPA, TPhP and Sb2O3 contained as FRs in the ABS and PC resin disks examined in the present study were not lost during the long-time heating, even though the color, shape, mass and chemical form of ABS resin disk were changed.

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Section: Instrumentssupporting

confidence: 60%

Effect of Long-time Heating for Elements from Flame Retardants in Acrylonitrile Butadiene Styrene and Polycarbonate Resin Disks

et al. 2018

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“…It was well-known that plastic materials were widely used in electrical and electronics equipment; therefore, standard analytical procedures and certified reference materials (CRMs) of hazardous substances in plastics were demanded from relevant industries and societies. According to the requirements, National Metrology Institute of Japan (NMIJ) has made efforts to develop plastic CRMs for heavy metal analysis with respective to the RoHS directive. − So far, acrylonitrile butadiene styrene (ABS), − , polyvinyl chloride (PVC), and polypropylene (PP) ,− resin CRMs for the determination of Br, Cd, Cr, Hg, and Pb were developed. These plastic CRMs were pellet or disk forms and were developed for chemical analysis ,,− or X-ray fluorescence spectrometry, − ,, respectively.…”

Section: Introductionmentioning

confidence: 99%

“…According to the requirements, National Metrology Institute of Japan (NMIJ) has made efforts to develop plastic CRMs for heavy metal analysis with respective to the RoHS directive. − So far, acrylonitrile butadiene styrene (ABS), − , polyvinyl chloride (PVC), and polypropylene (PP) ,− resin CRMs for the determination of Br, Cd, Cr, Hg, and Pb were developed. These plastic CRMs were pellet or disk forms and were developed for chemical analysis ,,− or X-ray fluorescence spectrometry, − ,, respectively. However, after the certification of ABS resin CRMs, a change in the concentrations of elements, which indicated the degradation of the CRMs, was found during stability monitoring.…”

Section: Introductionmentioning

confidence: 99%

Exploring the Degradation of Acrylonitrile Butadiene Styrene Resin Certified Reference Material for Heavy Metal Analysis

Ohata

Hioki

2016

Ind. Eng. Chem. Res.

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The degradation of acrylonitrile butadiene styrene (ABS) resin certified reference materials (CRMs) for heavy metal analysis was found. The masses of the ABS resin CRMs increased after the certification time, which resulted in decreasing the concentrations of elements. Other ABS resin CRMs contained 1 order of magnitude lower concentrations of same elements and showed no change for their concentrations and masses. The carbon and oxygen in degraded ABS resin CRM were ca. 4% lower and ca. 4% higher, respectively, than those of the nondegraded one. The increases for both ether (C–O–C) and ketone (CO) groups and the decrease of CC double bond were also observed for degraded ABS resin CRMs. From these results, it was considered that the oxidation occurred for the degraded ABS resin CRMs during the storage period. The Cr(III)-acetylacetonate in the degraded ABS resin CRMs was considered to be a metal catalyst to promote the oxidation.

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“…[4][5][6][7][8][9][10][11][12][13] So far, acrylonitrile-butadiene-styrene (ABS), [4][5][6][7]9 polyvinyl chloride (PVC) 8 and polypropylene (PP) 8,[10][11][12][13] resin CRMs for the determination of Br, Cd, Cr, Hg and Pb have been developed. These plastic CRMs were pellet or disk forms and were developed for chemical analysis 4,8,[10][11][12] or X-ray fluorescence spectrometry, [5][6][7]9,13 respectively. A X-ray fluorescence (XRF) spectrometry is expected for direct and speedy analysis of the hazardous substances in electrical and electronic equipment [14][15][16][17] and also described in the IEC 62321 as a screening method with respect to RoHS directive.…”

Section: Introductionmentioning

confidence: 99%

Determination of Chlorine and Bromine in Plastic Samples by Combustion Ion Chromatography

Cited by 7 publications

References 0 publications

Effect of Long-time Heating for Elements from Flame Retardants in Acrylonitrile Butadiene Styrene and Polycarbonate Resin Disks

Effect of Long-time Heating for Elements from Flame Retardants in Acrylonitrile Butadiene Styrene and Polycarbonate Resin Disks

Exploring the Degradation of Acrylonitrile Butadiene Styrene Resin Certified Reference Material for Heavy Metal Analysis

Effect of Long-time Heating for Polyvinyl Chloride and Polypropylene Resin Pellet Certified Reference Materials for Heavy Metal Analysis

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