Figure 1. Tritium beta decay energy spectrum

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electron densities. Examples of tritium beta ranges are shown in Table III. The

values shown for tritium gas and for air are stated as STP values.

FIGURE 1. Tritium beta decay energy spectrum.

TABLE III. Approximate ranges of tritium betas.

Material

Beta Energy

Range

Tritium Gas

Average

0.26 cm

Tritium Gas

Maximum

3.2 cm

Air

Average

0.04 cm

Water (Liquid)

Average

0.42 m

Water (Liquid)

Maximum

5.2 m

Stainless Steel

Average

0.06 m

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