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SPEX™ SamplePrep Prep-Aid™ Grinding Aids Available on GSA/VA Contract for Federal Government customers only.

Ideal for samples which crumble or ablate after pressing.

Manufacturer:  SPEX™ SamplePrep 3642450

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Catalog No. 3642-450

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  • Blends quickly and completely with samples at 10 to 25% by weight to form XRF sample disks
  • Moisture resistant and does not contaminate samples
  • Bonds 200 to 250 sample disks or provides matrix for 25 to 35 supported sample disks
Cellulose Binder
  • Can be used undiluted as a sample matrix with the sleeve-and-plunger technique
  • Does not cake in the bottle during storage
  • Can be used undiluted as a sample matrix with the sleeve-and-plunger technique
  • Moisture resistant and resists cracking and swelling in storage
  • Includes low levels of NaCl
Paraffin Binder
  • Forms air-stable sample disks as the waxy binder seals the surface against moisture
Description & Specifications


Samples which crumble or ablate after pressing
Cellulose binder
≤20μm Powder
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