分散式固相萃取净化气相色谱质谱联用测定土壤中的邻苯二甲酸酯.PDF

37 (FENXIHUAXUE) 10 2009 10 Chinese JournalofAnalyticalChemistry 1535~ 1538 1, 2 * 1 2 2 张渝 张新申 杨 坪 张 丹 1 2 (, 610065) (, 610041) 18GC /M S 10 g 20mL , 1. 5 mL 0. 2 g C , 3m in 10 m in(8000 r/min) , 1. 0mL 18 , 20 min 72. 7% 7. 5~ 750g/kg, 0. 998; 6 RS 5. 5% ~ 12. 1%; RS 7. 3% ~ 19. 4%; 94. 4% ~ 114. 6%; 1. 2~ 4. 3g/kg ,, , 1 (Phthalate esters, PAEs), PAEs, [ 1, 2] [3] PAEs, PAEs , PAEs, [ 4~ 6] [7, 8] , ,, , PAEs( ispersive solidphase extraction, SPE) [ 9] ,, , PAEs [ 10] [ 11] , , [ 12] () :, [ 13] ; GC, ; PTV, [ 14] PAEs 2 2. 1 HP6890GC/5973MS (Agilent) ; Mars( CEM ); GC16G(); ReactiTherm ( Pierce)17 PAEs , 苝d12内标萘d8所用有机溶剂均为农残级, 经全玻系统重蒸色谱检验 250 4 h; Na SO ( Florisil) 600 2 h; 180 2 4 12 h; Al O 250 12 hN ( Prmi ary secondary am ine, PSA)C (Octadecylsi 2 3 18 lane, O S) ( Cyanopropy,l CN ) ( Stronganion exchange, SAX ) ( strongcation exchange, SCX) 4 h , 250 6 h * Email: zhangxingshen@ 126. com 37 1536 2. 2 50. 00 g 30 cm , 10. 00 g, ( 0. 06~ 015mm)[ 15] 10. 00 g, 20mL/( 1/1, V/ V) ( 10 /m in 120 , 30 m in, 1600W ) Na S