View source for NKS-B GammaTest:Exercise spectra and instructions

== Identification of radionuclides in ''sewage sludge'' and on a ''contaminated film dosimeter'' ==
The task in (a) and (b) below is to report at least all identified nuclides - perfect solution includes the identification of all significant peaks, including background peaks i.e. no background subtraction.
All the relevant spectra are here: [http://www.gr.is/wp-content/media/2013/06/Spectra-for-calibration.zip.zip Sewage sludge and contaminated film dosimeter]

=== a) Sewage sludge ===
*Peak/nuclide identification exercise spectrum file: 12711G6.chn
*Sample: sewage sludge sample in 0.5 l Marinelli beaker
*Detector: coaxial, p-type HPGe detector, relative efficiency 39%
*Energy calibration options
*#spectrum: calibG6.chn, certificate of calibration source: certif.txt (files attached)
*#energy calibration equation: E = 0.3337 * ch – 0.183 (E= energy in keV, ch = channel)
*#channel-energy –pairs:
*#*140.2 – 46.54 keV
*#*1531.4 – 511.0
*#*4378.6 – 1460.8
*#*7835.4 – 2614.5

=== b) Contaminated film dosimeter ===
*Peak/nuclide identification exercise; spectrum file: 11100B1.chn
*sample: contaminated film dosimeter
*detector: Canberra BEGe detector BE5030, relative efficiency 50%, thin entrance window,thin Ge dead layer
*energy calibration options
*#energy calibration equation: E = 0.3305 * ch + 0.7301 (E= energy in keV, ch = channel)
*#channel – energy -pairs:
*#*67.7 – 23.1 keV
*#*516.3 – 171.3
*#*740.2 – 245.4
*#*1258.3 – 416.6

== Sample of water from the primary circuit of a research reactor ==

Distance from end-cap to sample container is appr. 2 mm, including 1 mm teflon.  The sample container is centered on top of the end-cap.  Additional information is included in the attached zip-file:
[http://www.gr.is/wp-content/media/2013/06/RealSpectraNKS2013.zip Water from research reactor]

*DetectorData.jpg - Relevant info about the detector
*VialData.jpg - Relevant info about the geometry (vial)
*CalibCertificate.txt - Calibration Certificate Table
*calA50006.Chn - Calibration spectrum
*bkgA50173.Chn - Background spectrum
*sampA50715.Chn - Sample spectrum (primary water from research reactor)