1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 17075 6 KS M ISO 17075:2008 2008 12 15 http:/www.kats.go.krKS M ISO 17075:2008 : ( ) ( ) ( ) ATL ( ) : (http:/www.standard.go.kr) : :2008 12 15 2008-0880 : : ( 02-509-7278) (http:/www.kats.go.kr). 10 5 , . KS M ISO 17075:2008 6 Leather Chemical test
2、s Determination of chromium(VI) content 2007 1 ISO 17075, Leather Chemical tests Determination of chromium (VI) content , . 1 6 . 6 3 mg/kg . . 2 . . ( ) . KS M ISO 2418, , , KS M ISO 3696, KS M ISO 4044, ISO 4684, 3 . 3.1 6 pH 7.5 8.0 , 6 6 , (mg/kg) . 4 KS M ISO 17075:2008 2 6 pH 7.5 8.0 6 , . 6 5
3、40 nm / 1,5- (diphenylcarbazide) 1,5- (diphenylcarbazone) . . ( , pH, ) . 5 . 5.1 (K2HPO4 3H2O) 22.8 g 1 000 mL , (5.3) pH 8.00.1 . . 5.2 1,5- CO(NHNHC6H5)2 1.0 g (CH3)2CO 100 mL (CH3COOH) . . 4 14 . 5.3 () = 1.71 g/mL o- 700 mL 1 000 mL . 5.4 6 (K2Cr2O7)(5.8) 2.829 g 1 000 mL . 1 mL 1 mg . 5.5 6 (5
4、.4) 1 mL 1 000 mL , (5.1) . 1 mL 1 g . 5.6 , , . 5.7 , KS M ISO 3696 3 5.8 (K2Cr2O7), (1022) (162) . 5.9 , HPLC 6 KS M ISO 17075:2008 3 6.1 , 50 min 1 150 min 16.2 , , 250 mL 6.3 (aeration tube) 6.4 pH , . 6.5 , 0.45 m( ) 6.6 , 25 mL, 100 mL 1 000 mL 6.7 , . 6.8 , 540 nm 6.9 , , 4 cm 6.10 , , (RP) 1
5、8 6.11 (SPE) , . 7 7.1 , KS M ISO 2418 , KS M ISO 4044 . . KS M ISO 2418 ( ), . 7.2 (20.01) g 0.001 g . 250 mL (6.2) (5.1) 100 mL . 5 (5010) mL/min ( )(5.6) . (6.3) . . V0 . 6 3 5 . . . 3 , . pH . pH 7.5 8.0 . pH , . 7.3 6 KS M ISO 17075:2008 4 . a) (5.9) 5 mL (6.10) . b) , (5.7) 5 mL . c) , (5.1) 1
6、0 mL . (6.10) . 7.2 10 mL(V1) , (6.11) SPE (6.10) . 25 mL (6.6) . (5.1) 10 mL 25 mL . (5.1) (V2) . S1 . 25 mL 10 mL S1 (V3) (6.7) . (5.1) 3/4 . (5.3) 0.5 mL (5.2) 0.5 mL . (5.1) (V4) , . (155) . 4 cm 540 nm (7.4) . A1 . , 25 mL S110 mL , (5.2) . A2 . 7.4 (5.1) 25 mL 3/4 , (5.3) 0.5 mL (5.2) 0.5 mL (
7、5.1) . . . 7.5 (5.5) . . 25 mL (6.6) . (5.5) 0.5 mL 15 mL , 6 . 25 mL (5.5) . (5.3) 0.5 mL (5.2) 0.5 mL . (5.1) , (155) . 540 nm 7.4 . , 6 (g/mL) . y- , x- 6 . , 4 cm . 4 cm . , KS M ISO 17075:2008 5 . . (extinction) 0.9 . 7.6 7.6.1 . 6 ( 25 %) , 6 7.2 10 mL . 11 mL . (A1s A2s )(7.3 ). , . 80 % . 1
8、6 , . 7.6.2 90 % , 6 ( ). 2 . 80 % . 7.6.2 RP 100 mL 6 (5.5) (5.1) . . , . 6 , 6 g/ 100 mL . 90 % . 90 % , RP , . 8 8.1 6 FmVVVVVAAw=3142021Cr(VI)( Cr(VI)w : 6 (mg/kg) 1A : DPC 2A : DPC F : (mL/g) m : (g) 0V : (mL) 1V : (mL) 2V : SPE , V1 (S1) (mL) KS M ISO 17075:2008 6 3V : S1 (mL) 4V : S1 (mL) Dww
9、 =Cr(VI)dry-Cr(VI) D: wD=100100w : ISO 4864 (%) 8.2 (7.6.1 ) 100)()(212s1s=FAAAA : (%) : 6 (g/mL) F : (mL/g) 1sA : 6 DPC 2sA : DPC , 6 1A : DPC 2A : DPC 8.3 6 0.1 mg , mg/kg . . (ISO 4684) 0.1 % , % . ( , ) , 3 mg/kg . 3 mg/kg . 6 3 mg/kg , UV/VIS (7.5) . 9 . a) 8.1 6 b) c) (7.1) d) 4 cm , e) 1 , mg
10、/kg f) (%) g) 80 % 105 % , (%) h) KS M ISO 17075:2008 7 A ( ) , 1 g RP 18 DIONEX (Dionex OnGuard-RP, part number 39595) , . WATERS(WATERS Sep-Pak Plus tC18)1) . SPE 1 g . , . . 1) Dionex OnGuard-RP WATERS Sep-Pak Plus tC18 . , ISO .KS M ISO 17075:2008 8 B ( ) 2 B.1 B.2 . B.1 2 1 : mg/kg 6 abb7.04 1.
11、58 3.22 7.83 1.11 3.54 a bP 95 %, 2.8 B.2 2 6 mg/kg mg/kg 1001a 19.40 18.70 19.3 19.13 1002a 20.60 21.30 21.7 21.20 1006a 21.80 22.20 21.8 21.93 1007a 19.00 18.00 21.0 19.33 1008a 25.00 24.30 24.9 24.73 1009a 19.20 17.80 18.3 18.43 1010a 16.80 13.60 13.7 14.70 501a 20.90 20.60 18.1 19.87 504a 22.00
12、20.00 19.00 20.33 505a 15.20 14.70 16.2 15.37 507a 24.10 23.40 25.7 24.40 508a 20.60 19.50 21.1 20.40 512a 18.70 15.40 16.5 16.87 2892a 18.40 19.00 18.70 2893a 16.40 16.40 16.40 2894a 19.40 19.30 18.9 19.20 : 19.4 mg/kg : 5.0 mg/kg KS M ISO 17075:2008 9 B.1 , 3 mg/kg . X (2003 2005) Y B.1 6 6 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 17075:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS LeatherChemical tests Determination of chromium(VI) content ICS 59.140.30
copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1