Standardized Solutions

The products shown on these pages are representative sources used for common applications.

If you cannot find the product with your specifications, please contact us using the corresponding email contact on this website. In most cases we will be able provide you with a solution meeting your requirements.

You can also use our product request forms.

This section contains detailed information about radioactive solutions (liquid standards). Mixed radionuclide solutions recommended by national standards laboratories (NIST-USA or PTB-Germany) used for calibrating gamma-ray spectrometers, are also shown.

Low activity solutions manufactured by the National Physical Laboratory in the UK are also part of the Isotrak product range.

A selected range of heavy element tracer solutions formerly manufactured in the Harwell laboratories in the United Kingdom is still available.

If the required solution is not shown, please specify your requirements using the form at the end of this section.



USA / North and South America / Australia / China & Far East Asia


Eckert & Ziegler
Analytics, Inc.
1380 Seaboard Industrial Blvd.
Atlanta, GA 30318

Phone: +1 404 352 8677
Fax:     +1 404 352 2837

Europe / Africa / Middle East Asia / Japan

Eckert & Ziegler

Nuclitec GmbH
Gieselweg 1
38110 Braunschweig

Phone: +49 5307 932 0
Fax:     +49 5307 932 272



Eckert & Ziegler Isotope Products France
12 avenue des Tropiques
Hightec Sud - bâtiment B
91955 Courtaboeuf cedex
Phone: +33 1 64 86 22 22
Fax:     +33 1 69 86 10 65