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RAM SURF α、β、γ表面污染检测仪
RAM SURF (单位 cps) # 4-0020-20
RAM SURF (单位 cpm) # 4-0020-22
(包括可分离扁平GM探头,支架,操作手册和校准证书)
Performance (surface sensitivity - in contact) Beta Emitting Isotopes
|
||||
Isotope |
Emax (keV) |
2p Efficency(%) |
Sensitivity cps/Bq/cm2 |
MDLBq/cm2 |
14C |
156 |
3 |
0.25 |
9.0 |
35S |
167 |
8 |
0.65 |
3.7 |
147Pm |
224 |
15 |
1.25 |
2.0 |
99Tc |
290 |
20 |
1.75 |
1.5 |
90Sr + 90Y |
580 + 2280 |
50 |
8.50 |
0.3 |
36Cl |
714 |
45 |
3.50 |
0.7 |
210Pb |
1160 |
50 |
4.00 |
0.6 |
32P |
1710 |
70 |
5.50 |
0.5 |
Additional radionuclides
|
||
Isotope |
Sensitivity cps/Bq/cm2 |
MDL Bq/cm2 |
99mTc |
0.45 |
5.5 |
125I |
0.04 |
63.0 |
131I |
3.00 |
0.8 |
230Th |
1.10 |
2.5 |
241Am |
1.10 |
2.5 |
*MDL - Minimum detectable level calculations are based on background readings of 1 cps and a confidence level of 99%