750:
213:
183:
disintegrations. After the becquerel was introduced in 1975 as the SI unit for activity, the rutherford became obsolete, and it is no longer commonly used.
795:
206:
819:
199:
814:
788:
240:
605:
567:
528:
499:
548:
781:
175:
The unit was introduced in 1946. It was named after
British/New Zealand physicist and Nobel laureate
153:
596:
519:
176:
48:
769:
661:
168:, and one becquerel equals one microrutherford. One rutherford is equivalent to 2.703 × 10
8:
665:
685:
334:
726:
677:
248:
149:
30:
689:
673:
669:
102:
757:
480:
367:
703:
765:
180:
157:
808:
403:
165:
123:
681:
277:
169:
80:
730:
761:
413:
375:
461:
191:
The following table shows radiation quantities in SI and non-SI units:
749:
258:
112:
652:
Lind, SC (1946), "New units for the measurement of radioactivity",
348:
558:
490:
344:
179:(Nobel Prize in 1908), who was an early leader in the study of
161:
132:
421:
156:
of a quantity of radioactive material in which one million
435:
806:
186:
789:
207:
645:
710:
796:
782:
214:
200:
807:
716:
195:Ionizing radiation related quantities
744:
651:
164:. It is therefore equivalent to one
704:"The Nobel Prize in Chemistry 1908"
13:
14:
831:
748:
590:
513:
429:
361:
271:
820:Standards and measurement stubs
696:
674:10.1126/science.103.2687.761-a
16:Obsolete unit of radioactivity
1:
638:
768:. You can help Knowledge by
187:Radiation related quantities
7:
10:
836:
743:
547:
479:
402:
333:
247:
119:
98:
76:
72:
54:
44:
36:
26:
21:
152:. It is defined as the
815:Units of radioactivity
764:-related article is a
717:Harder, D (1976), "",
597:röntgen equivalent man
520:röntgen equivalent man
177:Lord Ernest Rutherford
148:) is a non-SI unit of
49:Lord Ernest Rutherford
666:1946Sci...103..761L
221:
67:... is equal to ...
194:
129:
121:
108:
100:
86:
78:
777:
776:
660:(2687): 761–762,
633:
632:
604:100 erg⋅g ×
527:100 erg⋅g ×
150:radioactive decay
138:
137:
55:Conversions
827:
798:
791:
784:
752:
745:
735:
734:
714:
708:
707:
700:
694:
693:
649:
456:
454:
398:
396:
385:
383:
328:
327:
324:
300:
291:
289:
222:
216:
209:
202:
193:
130:
122:
115:
109:
103:SI derived units
101:
94:
92:
87:
79:
19:
18:
835:
834:
830:
829:
828:
826:
825:
824:
805:
804:
803:
802:
741:
739:
738:
719:Röntgen-Blätter
715:
711:
702:
701:
697:
650:
646:
641:
635:
622:
613:
584:
575:
536:
507:
481:Equivalent dose
469:100 erg⋅g
452:
450:
394:
392:
381:
379:
325:
322:
320:
298:
287:
285:
220:
189:
128:
120:
110:
107:
99:
90:
88:
85:
77:
17:
12:
11:
5:
833:
823:
822:
817:
801:
800:
793:
786:
778:
775:
774:
753:
737:
736:
709:
695:
643:
642:
640:
637:
631:
630:
629:0.010 Sv
627:
624:
618:
609:
602:
599:
593:
592:
589:
586:
580:
571:
564:
561:
556:
549:Effective dose
545:
544:
543:0.010 Sv
541:
538:
532:
525:
522:
516:
515:
512:
509:
503:
496:
493:
488:
477:
476:
475:0.010 Gy
473:
470:
467:
464:
458:
457:
448:
445:
442:
439:
432:
431:
428:
425:
419:
416:
411:
400:
399:
390:
387:
373:
370:
364:
363:
360:
357:
354:
351:
342:
331:
330:
318:
315:
312:
309:
303:
302:
295:
292:
283:
280:
274:
273:
270:
267:
264:
261:
256:
245:
244:
238:
235:
232:
229:
226:
219:
218:
211:
204:
196:
188:
185:
181:atomic nucleus
136:
135:
126:
117:
116:
105:
96:
95:
83:
74:
73:
70:
69:
64:
57:
56:
52:
51:
46:
42:
41:
38:
34:
33:
28:
24:
23:
15:
9:
6:
4:
3:
2:
832:
821:
818:
816:
813:
812:
810:
799:
794:
792:
787:
785:
780:
779:
773:
771:
767:
763:
759:
754:
751:
747:
746:
742:
732:
728:
724:
720:
713:
705:
699:
691:
687:
683:
679:
675:
671:
667:
663:
659:
655:
648:
644:
636:
628:
625:
623:
621:
617:
612:
608:
603:
600:
598:
595:
594:
587:
585:
583:
579:
574:
570:
565:
562:
560:
557:
554:
550:
546:
542:
539:
537:
535:
531:
526:
523:
521:
518:
517:
510:
508:
506:
502:
497:
494:
492:
489:
486:
482:
478:
474:
471:
468:
465:
463:
460:
459:
449:
446:
443:
440:
437:
434:
433:
426:
423:
420:
417:
415:
412:
409:
405:
404:Absorbed dose
401:
391:
388:
377:
374:
371:
369:
366:
365:
358:
355:
352:
350:
346:
343:
340:
336:
332:
319:
316:
313:
310:
308:
305:
304:
296:
293:
284:
281:
279:
276:
275:
268:
265:
262:
260:
257:
254:
250:
246:
242:
239:
236:
233:
230:
227:
224:
223:
217:
212:
210:
205:
203:
198:
197:
192:
184:
182:
178:
173:
171:
167:
166:megabecquerel
163:
159:
155:
151:
147:
143:
134:
127:
125:
124:SI base units
118:
114:
106:
104:
97:
84:
82:
75:
71:
68:
65:
63:
59:
58:
53:
50:
47:
43:
39:
35:
32:
29:
25:
20:
770:expanding it
755:
740:
725:(1): 49–52,
722:
718:
712:
698:
657:
653:
647:
634:
619:
615:
610:
606:
581:
577:
572:
568:
552:
533:
529:
504:
500:
484:
407:
397:10 C/kg
356:C⋅kg of air
338:
306:
252:
190:
174:
145:
141:
139:
66:
61:
27:Unit of
762:measurement
301:10 Bq
243:equivalent
234:Derivation
45:Named after
809:Categories
639:References
455:10 Gy
314:10 s
307:rutherford
160:decay per
142:rutherford
93:10 Ci
60:1 Rd
22:rutherford
758:standards
438:per gram
329: Bq
290:10 s
259:becquerel
225:Quantity
682:17836457
591:SI unit
514:SI unit
430:SI unit
362:SI unit
349:kilogram
335:Exposure
272:SI unit
249:Activity
154:activity
144:(symbol
131:10
31:Activity
731:1251122
690:5343688
662:Bibcode
654:Science
566:J⋅kg ×
559:sievert
498:J⋅kg ×
491:sievert
386:of air
384: g
368:röntgen
345:coulomb
231:Symbol
111:1
729:
688:
680:
444:erg⋅g
441:erg/g
162:second
158:nuclei
62:in ...
37:Symbol
760:- or
756:This
686:S2CID
626:1971
588:1977
540:1971
511:1977
472:1953
447:1950
427:1974
389:1928
380:0.001
359:1974
353:C/kg
317:1946
294:1953
278:curie
269:1974
237:Year
228:Unit
170:curie
89:2.703
81:curie
766:stub
727:PMID
678:PMID
601:rem
524:rem
466:rad
424:⋅kg
414:gray
393:2.58
347:per
215:edit
208:talk
201:view
140:The
670:doi
658:103
563:Sv
495:Sv
462:rad
451:1.0
436:erg
418:Gy
382:293
376:esu
326:000
323:000
311:Rd
297:3.7
286:3.7
282:Ci
263:Bq
113:MBq
811::
723:29
721:,
684:,
676:,
668:,
656:,
614:×
576:×
555:)
487:)
410:)
378:/
372:R
341:)
266:s
255:)
241:SI
172:.
146:Rd
40:Rd
797:e
790:t
783:v
772:.
733:.
706:.
692:.
672::
664::
620:T
616:W
611:R
607:W
582:T
578:W
573:R
569:W
553:E
551:(
534:R
530:W
505:R
501:W
485:H
483:(
453:×
422:J
408:D
406:(
395:×
339:X
337:(
321:1
299:×
288:×
253:A
251:(
133:s
91:×
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