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Water Equivalent Phantoms : Solid Water ® Certified Therapy Grade

Solid Water ® Certified Therapy Grade

Certified Therapy Grade Solid Water ®

Gammex 457-CTG

Exact QA Standards:

Gammex 457-CTG is a Certified Therapy Grade (CTG) of Solid Water® that is manufactured to the most exact quality assurance standards in the industry and is ideally suited to AAPM's Task Group 51 protocol recommendations.

CTG Solid Water® is designed for electron and photon beam measurements including relative ionization, depth dose and uniformity. Gammex performs meticulous analysis of each slab to ensure the highest possible quality.

We provide a Certificate of Conformance with each slab that includes:
  • Calculated elemental composition
  • Calculated mass
  • Volume electron densities
  • Electron and photon transmission characteristics
  • Measured physical dimensions
Contamination Free:

A radiograph is provided with the CTG Solid Water®, demonstrating that the product is free from voids, contamination or other artifacts. Our precision manufacturing techniques provide ion chamber cavities free from air pockets or voids and assure measurement accuracy and reproducibility of chamber placement within the radiation beam. The Gammex 457-CTG is available in 20x20 cm, 30x30 cm, and 40x40 cm slabs with thicknesses from 0.2 cm to 6.0 cm.


Click Here to Download a Printable Information Sheet. (.PDF format)