KS M ISO 20884-2012 Petroleum products－Determination of sulfur content of automotive fuels－Wavelength-dispersive X-ray fluorescence spectrometry《石油制品 机动车燃料的硫含量的测定 波长色散X射线荧光光谱法》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 20884 - X KS M ISO 20884： 2012 2012 10 12 http:/www.kats.go.krKS M ISO 20884:2012 : ( ) ( ) GS () SK ( ) : (http:/www.standard.go.kr) ： ：2005 12 6 ：2012 10 12 2012-0520 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 20884:2012 i ii 1 1

2、 2 1 3 1 4 2 5 .2 6 .3 7 .3 7.1 3 7.2 3 7.3 3 7.4 .4 8 4 8.1 .4 8.2 .4 8.3 .4 9 4 9.1 .4 9.2 5 9.3 .5 9.4 .5 10 .5 10.1 5 mg/kg60 mg/kg .6 10.2 60 mg/kg500 mg/kg .6 11 6 12 6 12.1 .6 12.2 , r 6 12.3 , R.6 13 7 A( ) .8 9 KS M ISO 20884:2012 ii 2011 2 ISO 20884, Petroleum products Determination of sul

3、fur content of automotive fuels Wavelength-dispersive X-ray fluorescence spectrometry . KS M ISO 20884:2012 - X Petroleum products Determination of sulfur content of automotive fuels Wavelength-dispersive X-ray fluorescence spectrometry , . 1 3.7 %(m/m) 5 mg/kg500 mg/kg X (WDXRF ： wavelength-dispers

4、ive X-ray fluorescence) . (FAME： fatty acid methyl ester) 10 %(V/V) 10 %(V/V) . 1 500 mg/kg , . FAME (matrix effect) . FAME (4.3 7.1 ) . , . 2 %(m/m) , %(V/V) . 2 . . ( ) . KS M 2001, KS M ISO 3171, 3 X . S K-L2,3X (count rate) . . KS M ISO 20884:2012 2 IUPAC X (S K-L2,3) . (Siegbahn) X (S-K) . 4 4.

5、1 (Dibutylsulfide), 21.92 %(m/m) . 35.95 %(m/m) ( A ). 4.2 (Paraffinum perliquidum), , 1 mg/kg . (5.1) . . 4.3 (Methyl oleate), FAME , 1 mg/kg . (5.1) . ( , 1 mg/kg ). (octanol) , . 5 5.1 X , S K-L2,3X . (excitation) (monochromatic radiation) . 1 . 1 (Polychromatic excitation) (Monochromatic excitat

6、ion) (Anode) , , , a 30 kV 30 kV a 50 mA 0.1 mA (Collimator) (Optic) (Coarse collimator) (Monochromator) , (Pentaerythrite) , (Pentaerythrite) b c , 4 m , 4 m 0.537 3 nm S K-L2,3 0.545 nm 0.537 3 nm S K-L2,3a12. , . b , 2 . c , . , , , , . , , , . . KS M ISO 20884:2012 3 5.2 , 0.1 mg . 6 KS M 2001 K

7、S M ISO 3171 . 7 7.1 (4.2) . FAME , 4.3 . 7.2 (4.1) 0.1 mg , (4.2 4.3 ) 1 000 mg/kg (1 mg/kg ) . ( A ). 7.3 (7.2) 0.1 mg , (4.2 4.3, ) 2 3 . 0.1 mg/kg . 2 ( ) mg/kg 0 0.0 2.1 5.0 2.2 10.0 2.3 25.0 2.4 50.0 KS M ISO 20884:2012 4 3 ( ) mg/kg 0 0.0 3.1 50.0 3.2 100.0 3.3 200.0 3.4 350.0 3.5 500.0 7.4 2

8、 , . 3 ( ) , 1 . 8 8.1 1 . 8.2 . 50 mg/kg . 50 mg/kg (net count) 40 000 . (9. ) (10. ) . 8.3 ( / ) 1 , . . 9 9.1 8. , (8.3 ) . 5 mg/kg60 mg/kg 60 mg/kg500 mg/kg . KS M ISO 20884:2012 5 9.2 (7.3) , ( ). , 2 3 . 0.537 3 nm S K-L2,3X IS 0.545 nm IB . (monochromatic excitation) (5.1 ). / , . . 1 mL (net

9、 count rate) . , . . , . 9.3 R0 (1) (2) . (R0) . (spread sheet) (3) (regression) . . R0 IS IB( ) (1) R0 IS( ) (2) R0(x) a bx cx2 (3) R0 ： IS ： 0.537 3 nm S K-L2,3X IB ： 0.545 nm x ： (mg/kg) a, b, c ： R0(x) ： x , c 0 . 9.4 6 2 . . (batch) . , . , . , 0.7 . , (drift) . 10 KS M ISO 20884:2012 6 (proces

10、s rundown stream) (iron sulfide) , . 0.2 m . 10.1 5 mg/kg60 mg/kg 9.2 . X . 0.537 3 nm S K-L2,3X IS 0.545 nm IB . (5.1 ). (1) (2) R0 . 5 mg/kg60 mg/kg (9.3 ) (mg/kg) . 60 mg/kg , 60 mg/kg500 mg/kg . 10.2 60 mg/kg500 mg/kg 9.2 . X . 0.537 3 nm S K-L2,3X IS 0.545 nm IB . (5.1 ). (1) (2) R0 . 60 mg/kg5

11、00 mg/kg (9.3 ) (mg/kg) . 500 mg/kg , (KS M ISO 14596, 2). 500 mg/kg , . 11 5 mg/kg99 mg/kg 0.1 mg/kg , 100 mg/kg500 mg/kg 1 mg/kg . 12 12.1 KS M ISO 42591 12.2 12.3 . (5.1) 5 mg/kg60 mg/kg . 12.2 , r 4 20 1 . 12.3 , R KS M ISO 20884:2012 7 , 4 20 1 . 4 mg/kg , r mg/kg , R mg/kg 560 1.7 0.024 8X 1.9 0.120 1X 60 500 4.0 4.6 0.075 X X (mg/kg) 13 . a) (KS M ISO 20884:2012) b) c) (11. ) d) e) KS M ISO 20884:2012 8 A ( ) A.1 . , / Schleicher 75.160.30