# Difference between revisions of "Measurements and Calculations (Introduction to Radiochemistry)"

From mn/safe/nukwik

(Created page with "Which detector did you use? ==== Background === Note down the values from the background counting you started the day before. Counting number N<sub>bck</sub>= counts Cou...") |
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Which detector did you use? | Which detector did you use? | ||

==== Background === | ==== Background === | ||

− | Note down the values from the background counting you started the day before. | + | Note down the values from the background counting you started the day before.<br> |

− | Counting number N<sub>bck</sub>= counts | + | Counting number N<sub>bck</sub>= counts<br> |

− | Counting time t<sub>bck</sub>= sec | + | Counting time t<sub>bck</sub>= sec<br> |

− | Counting speed <math>\frac{N_{bck}}{t_{bck}}</math> = cps | + | Counting speed <math>\frac{N_{bck}}{t_{bck}}</math> = cps<br> |

− | Standard deviation <math>\frac{\sqrt{N_{bck}}}{t_{bck}}= cps | + | Standard deviation <math>\frac{\sqrt{N_{bck}}}{t_{bck}}= cps<br> |

## Revision as of 14:42, 2 July 2012

Which detector did you use?

### = Background

Note down the values from the background counting you started the day before.

Counting number N_{bck}= counts

Counting time t_{bck}= sec

Counting speed = cps

Standard deviation <math>\frac{\sqrt{N_{bck}}}{t_{bck}}= cps