NUCLEAR CERTIFIED REFERENCE MATERIALS 2018

Transcription

1 EUROPEAN COMMISSION Directorate General Joint Research Centre Directorate G Nuclear Safety and Security NUCLEAR CERTIFIED REFERENCE MATERIALS 2018 Standards for Nuclear Safety, Security and Safeguards Unit Retieseweg 111 B Geel, Belgium Fax: +32-(0) Tel.: +32-(0) JRC-GEE-RM-NUCLEAR-SALES@ec.europa.eu Information on CRMs in general:

2 CONTENT 1 ISOTOPIC REFERENCE MATERIALS CERTIFIED FOR ISOTOPE AMOUNT RATIO (ABUNDANCE RATIO) URANIUM...3 Uranium hexafluoride...3 Certified Isotopic Reference Material set to test the response of mass spectrometers...5 Certified Isotopic Reference Material set to test the response of mass spectrometers...6 Certified Isotopic Reference Material set to test the response of mass spectrometers PLUTONIUM...8 Certified Isotopic Reference Materials for Mass Spectrometry Measurements...8 Certified Isotopic Reference Materials for Mass Spectrometry Measurements...9 Certified Pu Isotopic Reference Materials for Mass Spectrometric Measurements THORIUM ISOTOPIC REFERENCE MATERIALS CERTIFIED FOR ISOTOPE AMOUNT CONTENT URANIUM Uranium s Uranium s (continued) PLUTONIUM Plutonium s URANIUM/PLUTONIUM MIXTURES THORIUM AMERICIUM K-EDGE REFERENCE MATERIAL REFERENCE MATERIALS CERTIFIED FOR ELEMENT AMOUNT CONTENT REFERENCE MATERIALS CERTIFIED FOR THE PRODUCTION DATE ("AGE DATING"). 18

3 3 1 Isotopic reference materials certified for isotope amount ratio (abundance ratio) 1.1 Uranium Uranium hexafluoride Code Description Amount ratios n( 234 U)/n( 238 U) n( 235 U)/n( 238 U) n( 236 U)/n( 238 U) IRMM-019 UF 6 solid (4) (5) (9) 20 g IRMM-020 UF 6 solid (6) (6) (11) 20 g IRMM-021 UF 6 solid (8) (8) (8) 20 g IRMM-022 UF 6 solid (9) (12) (26) 20 g IRMM-023 UF 6 solid (11) (6) (17) 20 g IRMM-024 UF 6 solid (14) (16) (13) 20 g IRMM-025 UF 6 solid (9) (6) (9) 20 g IRMM-026 UF 6 solid (10) (8) (11) 20 g IRMM-027 UF 6 solid (13) (13) (12) 20 g

4 4 Uranium s Code Description Isotope amount fraction ( 100) Amount ratios n( 233 U)/n(U) n( 234 U)/n(U) n( 235 U)/n(U) n( 236 U)/n(U) n( 238 U)/n(U) n( 235 U)/n( 238 U) n( 233 U)/n( 238 U) IRMM M HNO 3 < (12) (16) (86) (88) (16) 1 g U in 5 ml IRMM M HNO 3 < (31) (22) (99) (37) (22) 1 g U in 5 ml IRMM M HNO 3 < (98) (58) (52) (11) (60) 1 g U in 5 ml IRMM M HNO 3 < (16) (87) (23) (18) (92) 1 g U in 5 ml IRMM M HNO 3 < (19) (13) (38) (23) (14) 1 g U in 5 ml EC-NRM M HNO (59) (03) (40) (03) (49) (20) (30) 10 mg U in 5 ml IRMM-3100a 1 M HNO (34) (50) (64) (69) (33) 0.05 mg U in 1 ml They are given in parentheses and include a coverage factor k = 2. They apply to the last digit(s) of the value

5 5 Certified Isotopic Reference Material set to test the response of mass spectrometers Code Description Amount ratios n( 233 U)/n( 235 U) n( 233 U)/n( 238 U) n( 235 U)/n( 238 U) IRMM-073/ (36) (30) (20) IRMM-073/ (25) (21) (20) IRMM-073/ (18) (15) (20) IRMM-073/ (11) (90) (20) IRMM-073/ (36) (30) (20) IRMM-073/ (18) (15) (20) IRMM-073/7 1.6 M HNO (72) (60) (20) 3 µg U in 2 ml IRMM-073/ (37) (30) (20) IRMM-073/ (18) (15) (20) IRMM-073/ (72) (60) (20) IRMM-073/ (35) (29) (20) IRMM-073/ (18) (15) (20) IRMM-073/ (37) (30) (20) IRMM-073/ (72) (60) (20) IRMM-073/ (72) (60) (20)

6 6 Certified Isotopic Reference Material set to test the response of mass spectrometers Code Description Amount ratios n( 233 U)/n( 235 U) n( 233 U)/n( 238 U) n( 235 U)/n( 238 U) IRMM-074/ (26) (26) (15) IRMM-074/ (77) (77) (15) IRMM-074/ (26) (26) (15) IRMM-074/4 IRMM-074/5 IRMM-074/6 1M HNO (77) (26) (77) (77) (26) (77) (15) (15) (15) 0.2 mg U in 2 ml IRMM-074/ (26) (26) (15) IRMM-074/ (77) (77) (15) IRMM-074/ (20) (20) (15) IRMM-074/ (25) (25) (15)

7 7 Certified Isotopic Reference Material set to test the response of mass spectrometers Code Description Amount ratio n( 236 U)/n( 238 U) IRMM-075/ (37) 10-4 IRMM-075/ (40) 10-5 IRMM-075/3 IRMM-075/4 1M HNO (36) (40) mg U in 1 ml IRMM-075/ (75) 10-8 IRMM-075/ (63) 10-9

8 8 1.2 Plutonium Certified Isotopic Reference Materials for Mass Spectrometry Measurements Code Description Amount ratio n( 239 Pu)/n( 242 Pu) IRMM-290/G (10) IRMM-290/E (23) 1 mg IRMM-290/C1 Plutonium nitrate (47) IRMM-290/A1 solid (10) A set consists of IRMM-290/B (23) seven samples, one of each IRMM-290/D (47) category A through G IRMM-290/F (10)

9 9 Certified Isotopic Reference Materials for Mass Spectrometry Measurements Code Description Amount ratio n( 239 Pu)/n( 242 Pu) IRMM-290a/G (10) IRMM-290a/E (24) 1 mg IRMM-290a/C2 IRMM-290a/A2 Plutonium nitrate solid (48) (10) A set consists of IRMM-290a/B (23) seven units, one of each IRMM-290a/D (46) category A through G IRMM-290a/F (10)

10 10 Certified Pu Isotopic Reference Materials for Mass Spectrometric Measurements Code Description Amount ratio n( 239 Pu)/n( 242 Pu) IRMM-290b/G (10) IRMM-290b/E (23) 1 mg IRMM-290b/C3 IRMM-290b/A3 Plutonium nitrate solid (48) (10) A set consists of IRMM-290b/B (23) seven units, one of each IRMM-290b/D (48) category A through G IRMM-290b/F (10)

11 Thorium Code Description Isotope amount fraction ( 100) n( 230 Th)/n(Th) n( 232 Th)/n(Th) Amount ratio n( 230 Th)/n( 232 Th) IRMM M HNO 3 IRMM M HNO (78) (78) (78) 1 mg Th in 1 ml (78) (78) (78) 1 mg Th in 1 ml They are given in parentheses and include a coverage factor k = 2. They apply to the last digit(s) of the value

12 12 2 Isotopic reference materials certified for isotope amount content 2.1 Uranium Uranium s Code Description Isotope amount content Isotope enrichment IRMM M HNO 3 IRMM M HNO 3 IRMM M HNO 3 IRMM M HNO 3 IRMM M HNO 3 IRMM M HNO (11) nmol (18) nmol (26) µmol (26) µmol (12) µmol (13) µmol 235 U g -1 n( 235 U)/n(U) = ml 233 U g -1 n( 233 U)/n(U) = ml 238 U g -1 n( 238 U)/n(U) = ml 238 U g -1 n( 238 U)/n(U) = ml 235 U g -1 n( 235 U)/n(U) = ml 238 U g -1 n( 238 U)/n(U) = ml

13 13 Uranium s (continued) Code Description Isotope amount content Isotope enrichment IRMM M HNO 3 IRMM-3636a 1 M HNO 3 IRMM-3636b 1 M HNO 3 IRMM-3660a 1 M HNO 3 IRMM-3660b 1 M HNO (26) µmol (35) µmol (26) µmol (35) µmol (30) nmol (33) nmol (44) µmol (11) nmol n( n( n( 236 U g U)/n( 236 U) = ml 233 U g U g U)/n( 236 U) = ml 233 U g U g U)/n( 236 U) = ml 233 U g U g -1 n( 236 U)/n(U) = ml 236 U g -1 n( 236 U)/n(U) = ml

14 Plutonium Plutonium s Code Description Isotope amount content Isotope enrichment IRMM-042a 5 M HNO (50) nmol 244 Pu g -1 n( 244 Pu)/n(Pu) = ml IRMM M HNO 3 IRMM-049d 5 M HNO 3 IRMM-049e 5 M HNO 3 IRMM-081a 5 M HNO 3 IRMM M HNO 3 IRMM M HNO 3 IRMM M HNO 3 IRMM M HNO (55) nmol (18) µmol (45) µmol (26) µmol (22) µmol (78) pmol (60) pmol (22) µmol 242 Pu g -1 n( 242 Pu)/n(Pu) = ml 242 Pu g -1 n( 242 Pu)/n(Pu) = ml 242 Pu g -1 n( 242 Pu)/n(Pu) = ml 239 Pu g -1 n( 239 Pu)/n(Pu) = ml 240 Pu g -1 n( 240 Pu)/n(Pu) = ml 244 Pu g -1 n( 244 Pu)/n(Pu) = ml 242 Pu g -1 n( 242 Pu)/n(Pu) = ml 239 Pu g -1 n( 239 Pu)/n(Pu) = ml

15 Uranium/plutonium mixtures Code Description Isotope amount content Isotope enrichment IRMM-1027q U-Pu solid spike (dried nitrate) (23) µmol 235 U g -1 m( 235 U)/m(U) = (13) µmol 239 Pu g -1 m( 239 Pu)/m(Pu) = g IRMM-1027r U-Pu solid spike (dried nitrate) (20) µmol 235 U g -1 m( 235 U)/m(U) = (14) µmol 239 Pu g -1 m( 239 Pu)/m(Pu) = g IRMM-046c 5 M HNO (10) µmol (14) nmol 233 U g Pu g -1 n( 233 U)/n(U) = n( 242 Pu)/n(Pu) = ml IRMM M HNO (63) µmol (67) nmol 233 U g Pu g -1 n( 233 U)/n(U) = n( 242 Pu)/n(Pu) = ml

16 Thorium Code Description Isotope amount content Isotope enrichment IRMM M HNO (18) nmol 230 Th g -1 n( 230 Th)/n(Th) = ml They are given in parentheses and include a coverage factor k= 2. They apply to the last digit(s) of the value. 2.5 Americium Code Description Isotope amount content Isotope enrichment IRMM M HNO (11) nmol 243 Am g -1 n( 243 Am)/n(Am) = n( 241 Am)/n(Am) = ml They are given in parentheses and include a coverage factor k= 2. They apply to the last digit(s) of the value. 2.6 K-edge reference material Code Description Isotope amount content Isotope enrichment Comment IRMM M HNO (94) µmol (11) mmol 239 Pu g U g -1 n( 238 U)/n(U) = n( 239 Pu)/n(Pu) = ~ 2.5 g Pu L -1 ~ 250 g U L ml

17 17 3 Reference materials certified for element amount content Code Description Element amount content EC-NRM-106 EC-NRM-110 natural uranium dioxide pellets (10 g each) depleted uranium dioxide pellets (1 g each) (24) mg U g g (13) mg U g g EC-NRM-113 uranium ore 3.211(84) mg U g or 200 g EC-NRM-114 uranium ore 1.636(58) mg U g or 200 g

18 18 4 Reference materials certified for the production date ("age dating") Code Description Production date based on the n( 230 Th)/n( 234 U) radio-chronometer IRMM-1000a IRMM-1000b Uranyl nitrate (dried) Uranyl nitrate (dried) 09/07/2012 (UTC) ± 13 day 20 mg 09/07/2012 (UTC) ± 13 day 50 mg The production date is the date of the last chemical separation of 230 Th from 234U in the uranium reference material. The production date is expressed as dd/mm/yyyy, relative to the coordinated universal time (UTC). The uncertainty is the expanded uncertainty with a coverage factor k = 2 corresponding to a level of confidence of about 95 % estimated with ISO/IEC Guide 98-3, Guide to the Expression of Uncertainty in Measurement (GUM), ISO, 2008.