KS A ISO 9891-2012 Determination of carbon content in uranium dioxide powder and sintered pellets-High-frequency induction furnace combustion-Titrimetric coulometric infrared absor.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS A ISO 9891 / / KS A ISO 9891:2012 2012 12 12 http:/www.kats.go.krKS A ISO 9891:2012 : ( ) ( ) () ( ) : () () ( ) ( ) ( ( ) ( ( ) : (http:/www.standard.go.kr) ： ：2012 12 12 2012-0698 ： ：() ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS A ISO 9891:2012

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 .11 7.4 .11 7.5 .12 8 12 9 .12 KS A ISO 9891:2012 ii . , , . , , . KS A ISO 9891:2012 iii 1994 1 ISO 9891, Determination of carbon content in uranium dioxide powder and sintered pellets High-frequency induction furnace combustion

3、 Titrimetric/coulometric/ infrared absorption methods , . KS A ISO 9891:2012 / / Determination of carbon content in uranium dioxide powder and sintered pellets High-frequency induction furnace combustionTitrimetric/coulometric/infrared absorption methods 1 / / . 5 g 500 g . . 2 1 100 C 1 200 C . . ,

4、 . pH 10.0 . pH . pH , . , . 3 CO2 H2O Ba(CIO4)2 BaCO3 2H 2CIO44 , . 4.1 , , 99.9 % KS A ISO 9891:2012 2 4.2 , , 99.9 % 4.3 , 1 mm 2 mm 4.4 , , 1 mm 2 mm 4.5 4A, 300 C 1.6 mm(1/16 in) 4.6 , , (Korbl) . 4.7 , , 0.5 mm 1.5 mm 4.8 , , 4.9 , , 5 g/g . 4.10 SRM 1), , , . 15 g/g 500 g/g . 4.11 Ba(ClO4)2 4

5、.12 2- (CH3CHOHCH3) 4.13 200 g , 2- 1.0 mL 1.0 L , . 4.14 , c(NaOH) 0.10 mol/L, , . 4.15 , c(NaOH) 0.02 mol/L, , (4.14) 50 g (4.15) , 4.14 5 . 5.1 1) . NBS(National Bureau of Standards), Washington, D. C., USA BCR(Bureau communautaire de rfrence), Brussels, Belgium BAS(Bureau of Analysed Samples), M

6、iddlesbrough, United Kingdom BAM(Bundesanstalt fur Materialprufung), Berlin, Germany IRSID(Institut de recherches de la sidrurgie francaise), Saint-Germain-en-Laye. France KS A ISO 9891:2012 3 1.5 kVA 2.5 kVA, 1 MHz 20 MHz, 30 mm ( 1 ). 40 mm 60 mm , 4 5 . ( ) . 1 100 C . 5.2 ( 2 ) 5.2.1 ( 3 ) (4.3)

7、 30 mm, 200 mm 650 C ( 3 ). (4.4) 100 mm (4.5) 200 mm 30 mm, 300 mm . . 5.2.2 ( ： 0 kPa 200 kPa), ( ： 0 kPa 200 kPa), ( ： 0 mL/min 100 mL/min), ( ： 0 mL/min 100 mL/min) 3 mm . , 0.4 mm PTFE 1 mm . 5.2.3 2 L 5.2.4 6 . KS A ISO 9891:2012 4 A B C D (Al2O3) 1 ABCDANS 12/2KS A ISO 9891:2012 5 FR PR FM A

8、F 550 C B , 3 mm G C H 6- D (CuO) I CO2 (50 L 500 L) E 2 5.3 ( 4 ) (4.7) 40 mm (4.6) 100 mm 200 mm, 8 mm , 550 C . 5.4 A CDHB FEGI KS A ISO 9891:2012 6 50 L 500 L 5.5 5.5.1 (250.2) C (4.13) , (NaCI, AgCI)Ag 1 mL ( 5 ) . . 5.5.2 ( 6 ) (350.2) C . 5.5.3 . , , , . , , . . 5.6 , 6 6.1 . 6.2 , 5 g 1 mm .

9、 . (7.4.3 1 ). 7 7.1 7.1.1 125 kPa, 100 mL/min . KS A ISO 9891:2012 7 ( .) . 7.1.2 (5.6) , . 7.1.3 (4.13) pH 10.0 . , (mL C) 4 . pH 9.5 . pH . 7.2 7.2.1 (V0) (C0) 1 100 C 1 200 C 4 . , 0 . 1 V0, C0 5 g . 2 (HF) . . KS A ISO 9891:2012 8 ： mm ： mmA 4A A NS 12/2 B , 30 B NS 12/5 C C, I D , 30, 650 C D,

10、 F, H E (CuO) E (MnO2) G J 550 C 3 4 A B C D E A B C D E F 8G H I J KS A ISO 9891:2012 9 ： mm A B C D (NaCl) pH E F G 5 ABCDE F GEKS A ISO 9891:2012 10 A (NaCl) pH B C D E F G H I 35 C J K , L (Pt) M 6 7.2.2 50 L 500 L . 4 , (Vx) (Cx) . 7.2.3 (Aeff) . xxxxTApNVVA=3.101273100104.225.0)(30eff xxxxTApN

11、CCA=3.10150096273100104.225.0)(60effA BCD E F G J I HKLMKS A ISO 9891:2012 11 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 % . 7.3 7.3.1 (5.6) 1 000 C 1 100 C 4 . 250 C . 7.3.2 (4.9) 0.5 g (4.8) 1.0 g 0.1 g . , . 7.3.3 2 4

12、 . 7.3.4 (Vb) (Cb) 0 . 7.3.5 0.5 g 1.5 g(Mx) SRM (4.10) 0.001 g . (4.9) 0.5 g (4.8) 1.0 g , . 7.3.3 . 7.3.6 (Vx) (Cx) . 7.3.7 0.5 g 1.5 g SRM 4 7.3.5 7.3.6 . 7.3.8 7.5 (Vx V0) (Vx Vb) (Cx C0) (Cx Cb) . . 7.4 7.4.1 . 2 . 7.4.2 1 100 C 1 200 C 4 . (V0) (C0) , 0 . 7.4.3 (Mx) 2 g 0.001 g KS A ISO 9891:2

13、012 12 . 2 . 1 50 g/g , 250 C 1 . , . 2 . , (4.8) 2 g , 1 g 2 g . 7.4.4 1 100 C 1 200 C 4 , (Vx) (Cx) . , . . 7.5 (C, g) . ： xxMNVVC00016)(0= ： xxxxMCCMCCC5.9600016)(50096106)(060= Vx： (mL)(7.4.4 ) V0： (mL)(7.4.2 ) Mx： (g) Cx： (7.4.4 ) C0： (7.4.2 ) 96 500 ： (C/mol) 8 2 g/g 5 % . 9 . a) b) c) d) / 15

14、3787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS A ISO 9891:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Determination of carbon content in uranium dioxide powder and sintered pellets High-frequency induction furnace combustionTitrimetric/coulometric/ infrared absorption methods ICS 27.120.30