Capintec CRC-25R - Page 203

CAPINTEC, INC CRC
®
-25R
Uncertainty Due to
Radioisotopes
Calibration
Setting
Number
Syringe
Corr. %
Published
Data %
Half-Life
(NCRP-58)
Ref. Comments
99m
Tc Technetium
(Eqb.
99
Mo)
175 2 NBS78
99
Mo
99m
Tc
Molybdenum
Eqb.
Technetium
145 2 NBS78
Reading gives sum of
99
Mo &
99m
Tc activity in
equilibrium sample.
103
Pd Palladium
562 × 10
50 4 16.97 D 2 ORNL76 Pure
103
Pd
103m
Rh
Palladium
Eqb.
Rhodium
634 × 10
50 5 ORNL76
Reading gives sum of
103
Pd &
103m
Rh activity
in equilibrium sample.
Eqb. after 9 hours.
103m
Rh Rhodium
631 × 100
50 5 56.114 M 6 ORNL76
103
Ru Ruthenium 165 50 3 39.26 D 2 ORNL76
103
Ru
103m
Rh
Ruthenium
Eqb.
Rhodium
172 50 ORNL76
Reading gives sum of
103
Ru &
103m,
Rh activity
in equilibrium sample.
Eqb. after 9 hours.
106
Ru Ruthenium
(Eqb.
106
Rh)
027 or
140 × 2
369 D 2 NDT70 Reading gives
106
Ru
Act. in eqb. sample.
Eqb. after 5 minutes.
106
Ru
106
Rh
Ruthenium
Eqb.
Rhodium
480 × 10
369 D 2 NDT70
Reading gives sum of
106
Ru &
106
Rh activity
in equilibrium sample.
108m
Ag Silver 830 3 127 Y 21 ORNL76
108
Ag Silver
099 × 10
6 15 2.37 M 1 ORNL76
Large β contribution.
109
Cd
109m
Ag
Cadmium
Eqb.
Silver
047 or
180 × 2
40 4 462.6 D 4
39.8 S
Reading gives act of
109
Cd,
109m
Ag, or Total
Act. in eqb. sample.
Eqb. after 6 minutes.
109
Pd
109m
Ag
Palladium
Eqb.
Silver
435 × 10
13.427 H 14
39.8 S
Reading gives act of
109
Pd,
109m
Ag, or Total
Act. in eqb. sample.
Eqb. after 6 minutes.
110m
Ag Silver
554 ÷ 2
2 249.8 D 1 ORNL76
111
Ag Silver
054 × 10
30 7.45 D 1 ORNL76
111
In Indium 303 10 1.36 2.805 D 1 NBS77
113
Sn Tin 022 or
129 × 2
35 5 115.08 D 3 MARTIN77 For pure
113
Sn.
113m
In Indium 076 7 2 1.658 H 1 Separated for pure
113m
In.
113
Sn
113m
In
Tin
Eqb.
Indium
180 15 3.2 NBS73,77
Reading gives act. of
113
Sn,
113m
In, or Total
Act. in eqb. sample.
Eqb. after 15 hours.
115m
In Indium 058 15 2 4.486 H 4 ORNL76
June 09 APPENDIX II A2 - 11