KS M ISO 20846-2012 Petroleum products-Determination of sulfur content of automotive fuels-Ultraviolet fluorescence method《石油产品 紫外荧光法测定汽车燃料中的硫含量》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 20846 KS M ISO 20846:2012 2012 12 14 http:/www.kats.go.krKS M ISO 20846:2012 : ( ) ( ) GS () SK ( ) : (http:/www.standard.go.kr) : :2006 5 2 :2012 12 14 2012-0705 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 20846:2012 i ii 1 1 2 1 3

2、 2 4 .2 5 3 6 .5 7 .5 8 .5 8.1 (Multi point calibration).5 8.2 (One-point calibration)7 8.3 .7 9 8 10 8 10.1 .8 10.2 .9 10.3 .9 11 .9 12 9 12.1 .9 12.2 , r10 12.3 , R 10 13 .10 11 KS M ISO 20846:2012 .12 KS M ISO 20846:2012 ii 2004 1 ISO 20846, Petroleum products Determination of sulfur content of a

3、utomotive fuels Ultraviolet fluorescence method , . KS M ISO 20846:2012 Petroleum products Determination of sulfur content of automotive fuels Ultraviolet fluorescence method 1 (3 500) mg/kg . 3.7 %(m/m) ( 10 % (V/V) ) , (FAME) 10 %(V/V) . . . 3 500 mg/kg . 1 , . 2 (Feedstock) (Poison) . 3 , . 4 (Su

4、lfate) (Conversion factor) , . 5 , , . , 2- (2-ethyl hexyl nitrate) (Alkyl nitrate) 10 mg/kg 2 000 mg/kg (0 1.7) mg/kg . 6 %(m/m) , %(V/V) . 2 . . ( ) . KS L ISO 1042, KS M 2001, KS M 2002, KS M ISO 3171, KS M ISO 20846:2012 2 KS M ISO 12185, U 3 . (1 000 1 100 ) , (SO2) . . (SO2) (SO2*) . (SO2*) (P

5、hotomultiplier) . . 4 4.1 , 99.998 %(V/V) 4.2 , 99.75 %(V/V) . . 4.3 4.3.1 4.3.2 4.3.3 . . , (Unknown sample) (Blank correction) . 4.3.2 , 4.3.3 , . 4.4 4.4.1 99 %(m/m) 4.4.2 4.4.4 . 99 % (m/m) . . (CRM) 4.4.2 4.4.4 . 4.4.2 (DBT), 17.399 %(m/m) 184.26 . 4.4.3 (DBS), 21.915 %(m/m), 146.29 . KS M ISO

6、20846:2012 3 4.4.4 ( )(TNA), 23.890 %(m/m) 134.20 . 4.5 (Sulfur stock solution) (5.9) (4.4) 1 000 mg/L . (4.3) . 1 mg/L . . 1 000 mg/kg (5.9) (4.4) (4.3) . / . 100 mL 4.4.2 4.4.4 0.574 8 g(DBT), 0.456 3 g(DBS) 0.418 6 g(TNA) . (Shelf life) 3 . 4.6 (Calibration standards) (4.3) (4.5) . . mg/L( mg/kg)

7、 1 000 mg/L( 1 000 mg/kg) / ( / , ) . . . 30 mg/kg( mg/L) 1 . (30 mg/kg) . 4.7 (Quality control samples) . . . 4.8 (Quartz wool) . 5 1 . 5.1 (Furnace), (SO2) . 5.2 (Combustion tube), (5.1) . (Side arms) KS M ISO 20846:2012 4 . . . 5.3 (Flow controllers), . 5.4 (Vapour drier), (5.5) . 5.5 , . , 2 . 5

8、.6 (Microlitre syringe), (5 50) L . (Needle) . (PTFE) (Plunger) . 5.7 , , . . 1 L/s . 12. . 5.8 , 0.1 mg . 5.9 , KS L ISO 1042 100 mL (4.5) (4.6) 1 6 2 7 3 8 4 (1 000 1 100) 9 5 10 1 KS M ISO 20846:2012 5 6 6.1 KS M 2001 , KS M ISO 3171 . . . . . . 6.2 , . 7 7.1 . 7.2 . 7.3 (5.1) . 1 100 750 (1 000

9、1 100) . 7.4 . . 30 . 8 8.1 (Multi point calibration) 8.1.1 1 . (4.3) (4.5) (4.6) . 4 . 1 I mg/L mg/kg II mg/L mg/kg III mg/L mg/kg 0.5 5 50 2 10 150 5 30 350 10 60 500 KS M ISO 20846:2012 6 8.1.2 (5.6) (Flush) . 8.1.3 8.1.3.1 8.1.3.2 . . 8.1.3.1 10 % . . 10 % . . . . 8.1.3.2 . 0.01 mg . 8.1.4 . (5.

10、2) . ( ) . . . 8.1.5 8.1.5.1 8.1.5.2 . 8.1.5.1 8.1.2 8.1.4 3 . . ng Q(x ) (y ) . 0.995 . Q (1) (2) . Q mcwSc (1) Q VcS(2) wSc : (mg/kg) Vc : (L) S : (mg/L) mc : (3) (mg) mc VcDc(3) Dc: (g/mL) KS M ISO 20846:2012 7 8.1.5.2 , 8.1.2 8.1.4 3 . (4.3 ) 8.1.5.1 Q(ng) . 0.995 . III( 1) . 8.1.6 1 . . 8.2 (On

11、e-point calibration) 8.2.1 (4.5) (50 % ) (4.6) . (Linearity) 50 % . (4.3) . . 8.2.2 8.1.2 8.1.4 3 . 8.2.3 ng (Count) K (4) (5) . ScccwmAK= (4) Scc=VAK (5) Ac : wSc : (mg/kg) Vc : (L) S : (mg/L) mc : (6) (mg) mc VcDc(6) Dc: (g/mL) . mg/kg . 8.3 KS M ISO 20846:2012 8 8.3.1 20 . 8.3.2 . . (Control limi

12、t) . 0.7 . 9 9.1 KS M 2002 KS M ISO 12185 U . 3 KS M ISO 91 1( 1 ) . 9.2 (50 % ) . (4.3) . 500 mg/kg . 9.3 8.1.2 8.1.4 3 . 9.4 . 9.4.1 9.4.2 . 9.4.1 (Coke) (Soot) . / . . 9.4.2 . 10 10.1 , wS (7) (8) mg/kg . gsSFSmYAw= (7) vsSFSVYAw= (8) A : Y : y , KS M ISO 20846:2012 9 Ss : , ng S( ) Fg : / (g/g)

13、V : (L) Fv : / (g/mL) m : (mg) m VD(9) D: (g/mL) 10.2 , wS (10) (11) mg/kg . gSFKmAw= (10) vSFKVAw= (11) K : , ng S( ) . V : (L) A : Fg : / (g/g) Fv : / (g/mL) m : (12) (mg) m VD (12) D: (g/mL) , . 10.3 3 . 11 60 mg/kg 1 mg/kg , 60 mg/kg 0.1 mg/kg . 12 12.1 KS M ISO 4259( 2 ) 12.2 12.3 . KS M ISO 20

14、846:2012 10 12.2 , r , 2 20 1 . 2 mg/kg 3 60 60 500 r 0.063 1X 0.35 r 0.041 7X 1 r 0.055 3X 0.55 r 0.028 5X 2 X: (mg/kg) 12.3 , R 2 , 3 20 1 . 3 mg/kg 3 60 60 500 R 0.174 9X 0.96 R 0.157 3X 2 R 0.112 0X 1.12 R 0.108 0X 2 X: (mg/kg) 4 . 4 (r) (R) mg/kg 10 1.0 1.1 2.7 2.2 30 2.2 2.2 6.2 4.5 50 3.5 3.3 9.7 6.7 100 5 5 18 13 350 16 12 57 40 500 22 16 81 56 13 . a) b) c) (11. ) d) e) KS M ISO 20846:2012 11 1 KS M ISO 91 1, 1: 15 60 2 KS M ISO 4259, KS M ISO 20846:2012 12 KS M ISO 20846:2012

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