Login:
Password:
Registration

Decay calculation

Choose the isotope from the list:   Half-life, days:

 

 
     
         
Calibration date:   Calibration activity A0:    
   
         
Calculation date:   Required activity:   Show the result in:
   
         
       


One year is equal to 365.2422 days.

Reference data:

1) Update of x ray and gamma ray decay data standards for detector calibration and other applications, volume 1, 2007

2) Karlsruhe Nuclide Chart, 7th edition, 2006
   News
11.18.2019
In the near future Ritverc will launch a new website. We tried to make it convenient, easy and informative. During startup and debugging...

08.29.2019
Dalian, China, from September 1st to September 6th, 2019...

08.20.2019
Ritverc JSC successfully passed certification<b><span lang="EN-US" style="font-size: 11pt; line-height: 107%; font-family: Calibri, sans-serif;">ISO 9001:2015</span></b>

11.20.2018
Ritverc finishes elaboration of a new design of the &quot;excepted packages&quot; (transport packing type UN2910)...

© 2003-2019 JSC RITVERC
Go
phones: (+7 812) 297 44 63
(+7 812) 297 22 69
Call me back
fax: (+7 812) 297 58 87
e-mail: info@ritverc.com