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Certified Therapy Grade Solid Water

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Product Description

Certified Therapy Grade Solid Water®

Product Overview

Certified Therapy Grade Solid Water® is a specially developed grade of Solid Water that is manufactured to the most exact quality assurance standards in the industry.  It is designed for electron and photon beam measurements including relative ionization, depth dose and uniformity. 

Each slab of CTG-Solid Water comes with a Certificate of Conformance which includes 1) a calculated elemental composition, 2) calculated mass, 3) volume electron densities, 4) electron and photon transmission characteristics and 5) measured physical dimensions.  A radiograph is also provided demonstrating that the product is free from contaminants.


  • Designed to meet AAPM's Task Group 51 protocol recommendations
  • Assurances of measurement accuracy and reproducibility of chamber placement within the radiation beam
  • Unmatched quality procedures applied to each slab to provide you with the maximum quality assurances


  • Wide range of sizes and dimensions.
  • Moldable material for custom requests
  • Rigid construction eliminates broken ion chambers
  • Wide range of applications and uses
  • Standard ranges of thicknesses from 0.2 to 6.0 cm
  • Ion chamber cavities free from air pockets or voids
  • Economical

Certification and Warranty

  • Solid Water® carries a 1 year warranty. 

  • Extended warranty plans are available  

  • Solid Water® products are listed with the US FDA as Class I Medical Devices

  • Each batch of CTG material is irradiated on a Linear Accelerator using 18 MeV electrons and 6 MV photons.  A certified scan is provided with each slab.  Data provided includes:  1) measured depth ionization for electrons and photons relative to water, calculated mass restricted electron stopping power relative to water, 3) calcualted linear attenuation coefficient relative to water, 4) measured physical density, 5) calculated elemental compostion, 6) calculated mass electron density, and 7) calculated electron density






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