A1 Capsule Type

Alpha Particle Standards—Type A-1

The type A-1 source is permanently fixed in an aluminum holder 1” diameter x 0.125” high (25.4 mm x 3.18 mm). The active diameter is 0.197” (5.0 mm).

All alpha standards are offered as spectral grade sources up to the activity and active diameters listed unless otherwise noted. All electroplated alpha standards are manufactured to a tolerance of +/-30% of the nominal activity. All AF type sources are delicate surface sources; the active surface of the source must not be wipe tested or touched.

csm catalogue reference and calibration sources Seite 36 Bild 0001 01 image

 csm alpha A1 image

Activity range

Nuclide

Product code

Activity range

Remark

Am-241

AF-241-A1

 >185 Bq – 37 kBq

 

Cf-252

AF-252-A1

 185 Bq – 37 kBq

 

Cm-244

AF-244-A1

 185 Bq – 37 kBq

 

Gd-148

AF-148-A1

 185 Bq – 3,7 kBq

 

Np-237

AF-237-A1

 185 Bq 

maximum activity, Not supplied as spectroscopy grade sources.

Po-210

AF-210-A1

 185 Bq – 37 kBq

 

Pu-238

AF-238P-A1

 185 Bq – 37 kBq

 

Pu-239

AF-239-A1

 185 Bq – 370 Bq

 

Ra-226

AF-226-A1

 185 Bq – 3,7 kBq

Not necessarily in equilibrium with daughters at time of shipment.Ra-226 will leak Rn-222 gas.

Th-228

AF-228-A1

 185 Bq – 18,5 kBq

Not necessarily in equilibrium with daughters at time of shipment.Th-228 will leak Rn-220 gas.

Th-230

AF-230-A1

 185 Bq – 3,7 kBq

 

Th-232

AF-232-A1

 

Not available

U-235

AF-235-A1

 15 Bq 

maximum activity, Not supplied as spectroscopy grade sources.Not necessarily in equilibrium with daughters at time of shipment.

U-238 (Nat)

AF-238(Nat)-A1

 1,85 Bq 

maximum activity, Not supplied as spectroscopy grade sources.Not necessarily in equilibrium with daughters at time of shipment.

U-238D

AF-238D-A1

 1,18 Bq 

maximum activity, Not supplied as spectroscopy grade sources.Not necessarily in equilibrium with daughters at time of shipment.

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