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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,
J., Park,
J., Park,
K., Kim,
S., &
Kim,
Y.
(2000). 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, 13(6), 731-735.
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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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