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Radioactive Sources

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CS-137S EU-152 FE-55LMW10 BA133S1 CS-137S.25EU C-14LDS10 NA22S1 CO-57S CD-109S ZN-65S SR90S.1 CO60S TL204S PO210S.1 TL-204S.25EU MN-54S CO-57S5
470220-488EA 56.99 USD InStock
470220-488 470220-490 470220-492 470110-452 470220-486 470220-478 470110-444 470220-482 470220-480 470220-500 470110-456 470189-538 470189-536 470006-190 470220-498 470220-494 470220-484
Radioactive Sources
Educational Materials Physics Educational Materials Modern Physics Learning Activities
Precisely manufactured radiation sources for a variety of emissions.

  • Safe to use
  • Easy disposal
The solid sources we supply are securely encapsulated in heat-resistant, waterproof plastic disks 25mm in diameter and 4–6mm thick. The sample is deposited in a well that is then filled with an epoxy material, safely sealing in the radioactivity.

Note: Model PO-210S Polonium-210 is an unsealed disk source.
   
 

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Terms and Conditions of Product Sale
All orders are governed by the Terms and Conditions of Product Sale accessible here. By placing and order, you represent that you have read and agree to the Terms and Conditions of Product Sale.

Shipping Terms
All orders will incur shipping and handling fees added to the order total value. Shipping charges may vary based on the nature of the product, total weight, destination, delivery date, and delivery method. Orders will ship via UPS carrier at current published rates. Shipping costs are estimated at time of online order. Orders required to ship by motor freight may incur an additional shipping charge. All orders $24.99 or less (pre-tax) will be subject to an additional $7.00 handling fee. Our shipping terms are FOB shipping point unless otherwise specified. For more information about specific shipping terms for your account, contact your Sargent Welch Account Manager. Visit sargentwelch.com/repfinder to locate a representative in your area.

Order Online and Save!
Receive FREE standard ground shipping on orders of $250 or more when you place your order online at sargentwelch.com with promo code FREESHIP250. Order total must be at least $250 before tax; total may include live and hazardous materials, however these materials will remain subject to standard shipping charges and fees. Excludes Alaska and Hawaii, and may exclude some motor freight shipments.

Chemical & Hazardous Shipping Fee
Materials classified as hazardous by the D.O.T. may include, but are not limited to, chemicals, microbiological specimens, or activity kits containing these materials. If your order contains an item classified as hazardous by the D.O.T., a minimum $27.50 fee will be charged for each order. Orders for chemicals and hazardous materials will only be accepted from educational and research institutions; we will not ship chemicals to individuals. Select chemicals are now available with Poison Packs to enable faster shipping. Previously, these chemicals shipped freight within 7-14 days and incurred a $70.00 freight shipping charge. Now, added Poison Packs enable your chemicals to ship via UPS to arrive within 3-4 days, eliminating the $70 freight charge. For a list of chemicals that include Poison Packs, visit sargentwelch.com/chemicalship.

Live Materials Delivery & Guarantee
All micro life cultures will be delivered to you within two business days when order is placed before 12:00 pm EST. Your specimens or cultures will arrive in good condition or we will send a free replacement. Requesting a delivery date of Wednesday, Thursday, or Friday ensures healthy delivery of your live specimens. Live materials will not be delivered on Mondays. For Tuesday deliveries, additional shipping charges may apply. Contact Sargent Welch customer service (800-727-4368) to arrange a Tuesday live materials delivery. For live materials coupon redemption, visit sargentwelch.com/coupon. In instances of severe weather, we may delay or cancel a shipment if it will not arrive safely. See our live materials page for the latest updates if you suspect weather could be an issue in your area. If your school is closed due to weather, please call customer service to let us know and we will hold you specimen and reschedule at your convenience.

Bacteria and Pathogens
Shipping pathogens and bacterial cultures to high schools and individual is prohibited by the Federal Health Service. State or local authorities may require a permit before we can ship pathogens to you. Colleges and universities are permitted to order pathogens and bacterial cultures through an institutional purchase order only.

Product Representation
Every effort is made to ensure accuracy in out product images, descriptions, and pricing prior to publication. However, due to occasional changes made by vendors after the date of publication, the physical appearance of items may change or vary in color from what is shown in the catalog. We assure the items you receive will satisfy all product specifications and requirements. Catalog pricing and product availability is subject to change. If a typographical error in pricing should occur, we are not obliged to honor the misprinted price. Please check our website for the most recent updates to product images, descriptions, availability, and pricing.

Your Favorite Items, Always in Stock
Thousands of our best-selling products are always stocked and ready when you need them, so you don't have to wait for the items you use most. Items are shipped within 48 hours of ordering when order is received electronically or by phone prior to 1:00 PM EST. In-stock promise and 48-hour shipping time excludes hazardous chemicals and exceptional order quantities which will be made available at lead time. Availability subject to change in the event of natural disaster or forces of nature affecting sourcing, shipping, transportation, or availability of living materials required for producing saleable goods. Sargent Welch will contact the customer directly to communicate the occurrence of such an event and provide alternative materials when available. Current stock and availability for all products is available online on every product page.

Promotional Exclusions
Unless otherwise specified, any item with a price ending in '9' (i.e. $5.09, $14.99, $100.89) is excluded from special offers, discounts, and promotions. Promotional discounts may not be combined with any other offers, discounts or promotions. Offers for free shipping include standard ground shipping only.

Credit & Invoicing 
Credit is extended to all educational institutions. Terms are net 30 days from the date of invoice. Teachers' personal orders are always welcome. For more information email sargentwelchcs@vwr.com.

Sales Tax
Sales tax (state and local) will be included on your invoice. If you are exempt from sales tax, please provide proper documentation when placing your order. 

100% Satisfaction Guaranteed Returns
We accept product returns for any reason within 60 days of purchase. Items returned must be unused and in original packaging. To return an item for refund, replacement, or credit, please email sargentwelchcs@vwr.com or call 800-727-4368 for a return authorization number and further instructions for return. Please have your order number readily available so that we can better assist you. In some cases, a restocking fee may apply. Items returned without prior authorization may not be accepted or credited. Items under warranty will be replaced or repaired at our discretion. To ensure the quickest return or replacement, we recommend you inspect all packages immediately upon arrival to ensure your satisfaction. A carrier inspection may be required.



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