K40 Gamma Spectrum

K40 Potassium Gamma Spectrum

Below is a one hour spectrum of K-40 recorded from a kg of Potassium Chloride with a GS-MAX-8000 and GS-1515-NAI detector. The radioactive isotope of potassium is a naturally occurring and exists in all living organisms, bananas and brazil nuts have relatively high concentrations of Potassium. The main photopeak is more prominent in larger scintillation detectors. This isotope has a very long half life of 1.277E+9 years.


k40 linear spectrum


k40 log spectrum


Gamma (keV) Intensity in %
1460.83 11

There are no products to list in this category.

Buy gamma spectrometry systems

Record your own gamma spectrum

Check out our affordable gamma spectroscopy kits, these include everything you need to set up a counting lab, we service governments, educational institutions, independent researchers and amateur scientists. We even offer a discount for students.

Gamma Spectrometry Systems


Purchasing information

Register and order online

Registering an account and ordering online is the easiest and safest way to get your order processed. Payments are securely handled by PayPal and for security reasons we do not store and payment details on our server, only your name address, email, phone and details of your purchase is retained on or server.


Student Discounts

We gladly offer full time students and amateur fusioneers a once off A$50 student discount on orders over $300, the discount is a self serve, honour system, so if you are very young or very old, and don't have a full time job or lot's of money, you simply type the word student into the coupon code field when you place your order. * To redeem a student coupong, you need to create an account and log in.

Educational Institutions

Talk to us about classroom bulk purchases, why share one spectroscopy system per class, when you can have one on every workbench. We can offer formal quotations by request and are happy to cooperate with government or institutional procurement teams. Please use contact us for a quote.

Notice: Undefined variable: cookie_consent_bar in /home/gaga7252/public_html/blue/system/storage/modification/catalog/view/theme/default/template/common/footer.tpl on line 48