Radioactive Sources

Product Code : LSK-CL-10085

Radioactive Sources (SKU LSK-CL-10085) are sealed alpha, beta and gamma teaching sources, each securely encapsulated in a heat-resistant, waterproof plastic disk. Used with a Geiger counter, they let physics and chemistry students measure radioactive emissions and compare how the three types of radiation behave. They are for supervised laboratory use in colleges and senior school labs. Quotations for schools, colleges, tender contractors and distributors are prepared by Science Lab Supplies at its Ambala, India office.

Specifications

The three sealed teaching sources and their plastic-disk encapsulation are detailed in the table. In short, the radioactive material in each source is sealed inside a plastic disk that resists heat and water, so the material itself is not handled during an experiment; the quotation states the exact sources and quantities offered.

Applications and Experiments for Radioactive Sources

Sealed sources are used with a GM counter to show that radiation can be detected, counted and stopped by different materials. They support the nuclei and radioactivity chapter of NCERT Class 12 physics, B.Sc. nuclear physics practicals and radiochemistry introductions in colleges and teacher-training institutes.

• Class 12 physics: comparing count rates from alpha, beta and gamma sources against background.
• Absorption practicals: paper, aluminium and lead as absorbers for each radiation type.
• B.Sc. practical: inverse-square law for gamma radiation.
• Half-life: modelling random decay first with the 500 plastic cubes of the Apparatus for Studying the Half-Decay Period, without any radioactive material.

These sources emit ionising radiation. Handle them only with tongs, never with bare hands, under teacher supervision, with eye protection such as reusable Safety Glasses; keep them in a locked, shielded store when not in use; and follow your institution's radiation safety rules. Possession and transport of radioactive sources are regulated in many countries, so check the rules that apply to you before ordering.

Standard Scope of Supply

Radioactive Sources are supplied as alpha, beta and gamma sources, each encapsulated in a heat-resistant, waterproof plastic disk. The quotation sets out each source and quantity. A Geiger counter, tongs and a storage container are separate items and can be quoted on request.

Packing, MOQ and Lead Time

Tell us which of the alpha, beta and gamma sources you need and in what number. Science Lab Supplies states the packing, delivery time and price on the quotation for that quantity, and a Geiger counter or protective gloves can be added so the practical is fully equipped.

As a registered exporter holding an Importer-Exporter Code, Science Lab Supplies can ship to buyers in the Philippines, Nepal, Bangladesh, Zambia, Rwanda and South Africa, subject to the rules for radioactive material. Name the source types you need, together with any import permit details, on the contact page or through the enquiry cart; institutional tenders are handled via the lab tender page.

Frequently Asked Questions

What radiation do these sources emit?
The range covers alpha, beta and gamma sources, the three emission types studied in school and college radioactivity practicals, each sealed in its own plastic disk.

How are the sources sealed?
Each source is securely encapsulated in a heat-resistant, waterproof plastic disk, so the radioactive material is not exposed during normal use. They must still be handled with tongs under supervision.

What else is needed to use them?
A Geiger counter to detect the radiation, tongs for handling and a secure shielded store. Absorbers such as paper, aluminium and lead are used for comparison experiments.

Who supplies the Radioactive Sources?
Science Lab Supplies, working from Ambala, India, quotes the sources to schools, colleges and distributors and can advise on quantities and delivery once it knows your country and intended practical.

Related Radioactivity Items

Sealed sources are only one part of a radioactivity practical. A Geiger counter or GM tube measures them, protective gloves add a layer of safe handling, and atomic models from the Chemistry Lab range explain the nucleus the radiation comes from; all can share one quotation.

• Radiation Geiger Counter — mains or battery operated, with an economy benchtop meter version available.
• Geiger Muller Tube — multipurpose alpha, beta and gamma tube in a housing with a 10 mm support rod.
• Gloves - Protective — disposable, ambidextrous, non-powdered latex gloves, chemical resistant.
• Model of The Atom — yellow electron, red or green proton and black neutron spheres, 475 x 475 mm.
• Atom Activity Model — transparent model of nucleus, protons, neutrons and electrons for use on an overhead projector.
• Schrodinger Atomic Model — a three-dimensional view of the atom with inner orbital regions shown in cross section.

Browse the full Chemistry Lab range, the radioactivity items in the Physics Lab range, or all school lab equipment.

Last updated: 9 October 2026