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

From mn/safe/nukwik

(→= Background) |
(→= Background) |
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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.<br> | + | |

− | Counting number N<sub>bck</sub>= | + | Note down the values from the background counting you started the day before.<br> Counting number N<sub>bck</sub>= counts<br> Counting time t<sub>bck</sub>= sec<br> Counting speed <math>\frac{N_{bck}}{t_{bck}}</math> = cps<br> Standard deviation <math>\frac{\sqrt{N_{bck}}}{t_{bck}}</math>= cps<br> |

− | Counting time t<sub>bck</sub>= | ||

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

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

## Revision as of 14:43, 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 = cps