• P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

A Study on the Acid Digestion Bomb Pretreatment Method of Fire Retardant Chemicals (DBDPE-<TEX>$Sb_2O_3$</TEX>) for the Determination of Antimony

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.6, pp.731-735
Choi, Jong-Keum
Park, Je-An
Park, Kyung-Su
Kim, Sun-Tae
Kim, Young-Sang
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Abstract

The acid digestion bomb pretreatment method for the determination of antimony in a commercial fire retardant material sample (DBDPE-<TEX>$Sb_2O_3$</TEX>) was studied. DBDPE-<TEX>$Sb_2O_3$</TEX> sample was digested with <TEX>$H_2SO_4:HCl$</TEX>(1:2) mixture in digestion bomb at <TEX>$220^{\circ}C$</TEX> for 2 hrs. and antimony was determined by atomic absorption spectrophotometry. Recovery of 99.6-99.8% and C.V. of 0.94-1.07% for Sb was obtained for spiked real samples. In the present method, the analytical results obtained for antimony were 40.3 and 36.3% (w/w), respectively.

keywords
pretreatment of fire retardant, antimony in fire retardant, detn. of antimony, Sb in DBDPE-<TEX>$Sb_2O_3$</TEX>


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