1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 11423 2 2: KS I ISO 11423 2:2008 2008 8 7 http:/www.kats.go.krKS I ISO 11423 2:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 1998 12 24 : 2008 8 7 2008-0411 : : ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 11423 2:2008 2: Water qua
2、lity Determination of benzene and some derivatives Part 2: Method using extraction and gas chromatography 1997 1 ISO 11423 2, Water quality Determination of benzene and some derivatives Part 2: Method using extraction and gas chromatography . 1 5 g/L , ( ), ( ) ( BTX .) . . . . 2 ( ) , . 2 ( ) ( 7.4
3、 ). 3 BTX , , . . . , (Propanone) (Methanol) . . 2 ( , , ) , . 2 . . KS I ISO 11423 2:2008 2 . ( ) . 2 , . 4 (Vial) 150 1 . , . 4.1 (conical-shoulder bottle) PTFE 2 L . 4.2 PTFE . 4.3 1 mL, 2 mL, 5 mL, 10 mL, 25 mL 50 mL . 4.4 . 4.5 (one-mark pipette) 4.6 100 mL, 250 mL 1 000 mL 4.7 (FID) (insert) .
4、 4.8 ( B ) BTX , Kovacs . 4.9 10 L, 50 L 100 L 4.10 ( 1 ) 4.11 . 5 KS I ISO 11423 2:2008 3 5.1 . 5.1 BTX . . (4.1) 60 . 1 ( 180 mL/min) . . . . . , . : mm 1 5.2 ( , , , ) 20 10110 160 20 30 KS I ISO 11423 2:2008 4 . 5.3 C5H12, BTX . . . 5.4 C6H6 ( ) C7H8 1,2- (o- ) C8H10 1,3- (m- ) C8H10 1,4- (p- )
5、C8H10 C8H10 5.5 -2- ( ), CH3COCH3, 7.3 . 5.6 (Deuteromethylbenzene -d8) 6 (4.1) . BTX . . 2 . 2 4 . . . 4 . 7 7.1 BTX . 1 . KS I ISO 11423 2:2008 5 1 : 1: 100 1 10 g/L 10: 100 10 100 g/L 50: 50 100 1 000 g/L 100: 10 1 10 mg/L BTX . 4 (5.6) (5.3) . . 5 . . , ( ) . (4.11) . . . . 4 . 20 . 7.2 . 2 . .
6、( ) ( B ). (FID) . ( , ) . 2 . 2 . KS I ISO 11423 2:2008 6 . 7.3 . (5.1) . . ( 10 % ) . , . 10 % . . 7.4 . 0.02 . 2 0.02 % . 1 . , . . . (matrix) . , PID GC-MS1) . (matrix) , 2 . , . 8 8.1 1) . , .KS I ISO 11423 2:2008 7 a) (8.2) , b) (8.3) , c) (8.4) , a)(8.2) b)(8.3) . . . c)(8.4) . . , . . 2 4 .
7、. 8.2 ( , 2 ) . . . . 1: 100 . . ie yie . . iieieie)( bmy += yie : i mie : i ie : i (g/L) bi : 8.3 . -2- (5.5) . ( 1 L 1 mL) . 8.3.1 , 5 mL -2- 100 mL . . 3( S1) 4 . -2- 100 mL ( S2) 500 L . KS I ISO 11423 2:2008 8 , . . 250 mL (5.1) 200 mL -2- 0.2 mL . -2- . 7.1 . 4 , . . 2 a 1mL 1: 100 8.78 mg/mL
8、S 1 S 1: 100 87.8 ng/mL D1 D1 8: 10 70.2 ng/mL 6: 10 52.7 ng/mL 4: 10 35.1 ng/mL 2: 10 17.6 ng/mL 1: 10 8.78 ng/mL aBTX 4 . 3 20 g/mL 0.878 0.867 1,2- 0.881 1,3- 0.865 1,4- 0.861 0.867 KS I ISO 11423 2:2008 9 4 1 2 3 g/mL mg/L A B C A B C A B C S1 1: 20 D1.1 2 200 S1 1: 10 D1.2 4 400 S1 3: 20 D1.3 6
9、 600 S1 2: 10 D1.4 8 800 S1 5: 20 D1.5 11 000 S1 2: 10 D1.4 D1.4 1: 10 D1.4.1 880 110 S1 5: 20 D1.5 D1.5 1: 10 D1.5.1 1 100 S2 1: 20 D2.1 220 S2 1: 10 D2.2 440 S2 3: 20 D2.3 660 S2 2: 10 D2.4 880 S2 5: 20 D2.5 1 100 S2 2: 10 D2.4 D2.4 1: 10 D2.4.1 88 100 1 000 S2 5: 20 D2.5 D2.5 1: 10 D2.5.1 110 S2
10、1: 10 D2.2 D2.2 1: 20 D3.1 22 D2.2 1: 10 D3.2 44 D2.2 3: 20 D3.3 66 D2.2 2: 10 D3.4 88 D2.2 5: 20 D3.3 110 D2.2 2: 10 D3.4 D3.4 1: 10 D3.4.1 8.8 10100 D2.2 5: 20 D3.5 D3.5 1: 10 D3.5.1 11 S2 1: 100 D3.2 D3.2 1: 20 D4.1 2.2 D3.2 1: 10 D4.2 4.4 D3.2 3: 20 D4.3 6.6 D3.2 2: 10 D4.4 8.8 D3.2 5: 20 D4.5 1
11、1 D3.2 2: 10 D4.4 D4.4 1: 10 D4.4.1 0.88 110 D3.2 5: 20 D4.5 D4.5 1: 10 D4.5.1 1.1 A: , B: , C: 8.3.2 . 1 L 2 L . ietj yietj . . KS I ISO 11423 2:2008 10 . iety =itietit)( bm + yiet : i mit : i iet : (g/L) bit : . 8.4 BTX , , . . , ( , , FID ) . . 1 . . . . ( -d8)2) . ( 200 mL) -2- ( 10 g) . l . -2-
12、 1 mL/L . yi /yl pi /pl . . 8.2 . ( ) . litletietlitletiet. bmyy+= yiet : i ylet : I mlit : . yiet / iet iet : i (g/L) let : 1 (g/L) blit : 8.5 2) .KS I ISO 11423 2:2008 11 (8.2 8.3) i iA . siEitviitiVmVfmFmmA= iA : mi : i (8.2) mit : (8.3) f : ( f = 1 000) Fv : . , , . . vF =SEVfV VE: VS: 8.9 iA .
13、. 5 2 . (5.1) 8.2 8.3 . . 8.4 . 5 : 2 1: 100 0.83 : 100 0.87 1: 100 0.95 1,2- 1,3- 1: 100 0.93 1,2- : 100 0.91 10 g/L 100 g/L 1: 1 0.84 1 mg/L 8.6 . . . cbay += 2ie yie : i : i (mg/L) a, b, c : KS I ISO 11423 2:2008 12 9 9.4 . 9.1 i . iaSiEiii)(AVVmVby= i : i (ng/L) yi : i ( 7 ) mi : . i bi : ( 7 )
14、iA : FV : . , , . . SEVVfVF= EV : SV : KS I ISO 11423 2:2008 13 mi = 81 488 mit = 6 533 VP = 200 mL VE = 2 mL iA =200488 812000 1533 6= 0.80 2 (i) 6 i = j b ieng/L yie1 0.275 18 000 2 0.55 49 000 3 2.2 178 000 4 4.4 357 000 5 6.6 537 000 6 8.8 717 000 7 11.0 896 000 : mi= 81 488 ie iet g/Ly iet = 6
15、533 iet 6 505 y ie = 54681488ievFyieyiet100 0 22 44 66 88900 1 800 2 700 3 600 4 500 5 400 6 300 7 200 8 100 9 000 KS I ISO 11423 2:2008 14 bi= 546 : yie= 81 488 ie 546 iA = 0.80( 8.8 g/L110 g/L) SV = 200 mL = 1 L : yi= 420 437 3 . 5.63000 180.0200/2488 81)546000 420(i=+= g/L 9.2 i . itititit)(mby =
16、 it : i (g/L) yit : i mit : . i bit : KS I ISO 11423 2:2008 15 3 (i) 9.3 2.6.3 . 2.6.1 , . a) 10 % . b) 10 % , GC . . “1 .” . 9.4 mg/L , . 8.0 mg/L 110 mg/L 10 ieng/L yie100 9 0008 1007 2006 3005 4004 5003 6002 7001 80090000 2.2 4.46.6 8.8 11 KS I ISO 11423 2:2008 16 A . 1991 . 11 . a) (KS M ISO 11423 2) b)
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