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Am-1 Ultra-Thin Window Alpha Radiation Source


For the convenience of our customers, ORTEC offers an alpha particle source for energy calibration of charged-particle detectors and spectrometers.
The source is carefully manufactured to ensure source integrity while providing minimum self-absorption. The source is calibrated to within 1% of the absolute disintegration rate.

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    CALIBRATED 241Am SOURCE: ORTEC Am-1C
    Isotopically pure 241Am of 0.1-µCi nominal activity is electrodeposited on platinum and is calibrated to within 1% of the absolute disintegration rate. The energy spectrum from 241Am contains alphas of 5.486 MeV (85%), 5.443 MeV (12.8%), and others <2% each.

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    • The alpha source is electrodeposited on 0.127-mm-thick, 12.7-mm-diam. platinum foil.
    • The active source diameter is nominally 3 mm, and equivalent source thickness is <8 keV.
    • The source holder is stainless steel, 6.35 mm thick and 17.46 mm in outside diameter.
    • USA users must have an NRC and/or Agreement State License with provisions for type and quantity of isotope involved. A copy of this license, authorizing the possession of the source ordered, must accompany an order for these ORTEC sources.

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    Model Description
    Am-1C Calibrated 241Am Source