KS A ISO 9889-2012 Determination of carbon content in uranium dioxide powder and sintered pellets-Resistance furnace combustion-Titrimetric coulometric infrared absorbtion method《二.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS A ISO 9889 / / KS A ISO 9889:2012 2012 12 12 http:/www.kats.go.krKS A ISO 9889:2012 : ( ) ( ) () ( ) : () () ( ) ( ) ( ( ) ( ( ) : (http:/www.standard.go.kr) : :2012 12 12 2012-0698 : :() ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS A ISO 9889:2012

2、i ii . iii 1 1 2 1 3 1 4 .1 5 2 6 .6 6.1 .6 6.2 .6 7 6 7.1 6 7.2 .7 7.3 .9 7.4 .10 7.5 .10 8 11 9 .11 KS A ISO 9889:2012 ii . , , . , , . KS A ISO 9889:2012 iii 1994 1 ISO 9889, Determination of carbon content in uranium dioxide powder and sintered pellets Resistance furnace combustion Titrimetric/c

3、oulometric/infrared absorption method , . KS A ISO 9889:2012 / / Determination of carbon content in uranium dioxide powder and sintered pellets Resistance furnace combustionTitrimetric/coulometric/infrared absorbtion method 1 / / . 5 g 500 g . . 2 1 200 C 1 300 C . . , . pH 10.0 . pH . pH , . , . 3

4、CO2 H2O Ba(CIO4)2 BaCO3 2H 2CIO44 , . 4.1 , , 99.9 % KS A ISO 9889:2012 2 4.2 , , 99.9 % 4.3 , , 99.9 % 4.4 , 1 mm 2 mm 4.5 , , 1 mm 2 mm 4.6 4A, 300 C 1.6 mm(1/16 in) 4.7 , , (Korbl) . 4.8 , , 0.5 mm 1.5 mm 4.9 , , 4.10 SRM 1), , , , 15 g/g 500 g/g . 4.11 Ba(ClO4)2 4.12 2- (CH3CHOHCH3) 4.13 200 g 2

5、 1.0 mL 1.0 L , . 4.14 , c(NaOH) 0.10 mol/L, , . 4.15 , c(NaOH) 0.02 mol/L, , 50 g (4.15) , 4.14 5 . 5.1 ( 1 ), 1 300 C 200 mm 250 mm (hot zone)1) . NBS(National Bureau of Standards), Washington, D. C., USA BCR(Bureau communautaire de rfrence), Brussels, Belgium BAS(Bureau of Analysed Samples), Mid

6、dlesbrough, United Kingdom BAM(Bundesanstalt fur Materialprufung), Berlin, Germany IRSID(Institut de recherches de la sidrurgie francaise), Saint-Germain-en-Laye. France KS A ISO 9889:2012 3 5.2 , 1 300 C 17 mm, 22 mm, 600 mm 5.3 ( 2 ) (4.4) 30 mm, 200 mm 650 C . (4.5) 100 mm (4.6) 200 mm 30 mm, 300

7、 mm . . , . 5.4 (: 0 kPa 200 kPa), (: 0 kPa 200 kPa), (: 0 mL/min 2 000 mL/min), (: 0 mL/min 500 mL/min) 3 mm . 0.4 mm PTFE 1 mm . 5.5 , , , 5.6 ( 3 ) (4.8) 40 mm (4.7) 100 mm 200 mm, 8 mm , 550 C . KS A ISO 9889:2012 4 A F B G C H D I E J 400 C 1 KS A ISO 9889:2012 5 : mm : mmA 4A A NS 12/2 B , 30

8、B NS 12/5 C C, H D , 30, 650 C D, F E (CuO) E (MnO2) G I 550 C 2 3 5.7 , 50 L 500 L 5.8 5.8.1 A B C D EAB C D E F G H IKS A ISO 9889:2012 6 (250.2) C (4.13) , (NaCI, AgCI)Ag 1 mL ( 4 ) . . 5.8.2 ( 5 ) (350.2) C . 5.8.3 . , , , . , , . . 5.9 , 1 000 C , 1 300 C 90 mm9 mm12 mm 6 6.1 . 6.2 , 5 g 1 mm .

9、 . (7.4.5 ). 7 7.1 7.1.1 4 1 000 C . 250 C . 7.1.2 (5.1) 1 300 C 1.5 L/min 0.5 L/min . 1 L/min . 7.1.3 (4.13) pH 10.0 . KS A ISO 9889:2012 7 , (mL C) 4 . pH 9.5 . pH . 7.2 7.2.1 (V0) (C0) 4 . , 0 . V0, C0 5 g . 7.2.2 50 L 500 L . 4 , (Vx) (Cx) . 7.2.3 (Aeff) . xxxxTApNVVA=3.101273100104.225.0)(30eff

10、 xxxxTApCCA=3.10150096273100104.225.0)(60eff Vx: (mL)(7.2.2 ). V0: (mL)(7.2.1 ) N : (mmol/mL) px: (kPa) Ax: (L) Tx: (K) Cx: (7.2.2 ) C0: (7.2.1 ) 96 500 : (C/mol) , 95 % . KS A ISO 9889:2012 8 : mm A B C D (NaCl) pH E F G 4 ABCDFGE EKS A ISO 9889:2012 9 A (NaCl) pH B C D E F G H I 35 C J K , L (Pt)

11、M 5 7.3 7.3.1 (4.9) 1.0 g . . 7.3.2 1 500 mL/min . . . A BCD E F G I H J K L M KS A ISO 9889:2012 10 7.3.3 , 4 . 7.3.4 (Vb) (Cb) 0 . 7.3.5 0.5 g 1.5 g(Mx) SRM (4.10) 0.001 g . , 1.0 g . 7.3.2 7.3.4 . (Vx) (Cx) . 7.3.6 0.5 g 1.5 g 4 7.3.5 . 7.3.7 7.5 (Vx V0) (Vx Vb) (Cx C0) (Cx Cb) . . 7.4 7.4.1 . 7.

12、4.2 1 200 C, 1.5 L/min 0.5 L/min . 7.4.3 4 . 7.4.4 (V0) (C0) . 7.4.5 2 g 3 g(Mx) 0.001 g . 50 g/g , 250 C 1 . . 7.4.6 4 . 7.4.7 (Vx) (Cx) . , . . 7.5 (C, g/ g) . : xxMNVVC00016)(0= : KS A ISO 9889:2012 11 xxxxMCCMCCC5.9600016)(50096106)(060= Vx: (mL)(7.4.7 ) V0: (mL)(7.4.4 ) Mx: (g) Cx: (7.4.7 ) C0:

13、 (7.4.4 ) 96 500 : (C/mol) 8 2 g/g 5 % . 9 . a) b) c) d) / 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS A ISO 9889:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Determination of carbon content in uranium dioxide powder and sintered pellets Resistance furnace combustion Titrimetric/coulometric/infrared absorbtion method ICS 27.120.30

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