B-8 Model 3936 Scanning Mobility Particle Sizer
TM
(SMPS
TM
) Spectrometer
Table B-1
Midpoint Mobilities, Midpoint Particle Diameters, and Fraction of Total Particle Concentration
that Carries +1, +2, +3, +4, +5, and +6 Elementary Charges as a Function of Mobility
Fraction of Total Particle
Mobility Particle Concentration That Carries This
Midpoint Diameter Number (1-6) of Positive Charges
cm
2
/v-s Midpoint, µm +1 +2 +3 +4 +5 +6
4.322E-1 0.0022 0.0082 0 0 0 0 0
3.243E-1 0.0025 0.0094 0 0 0 0 0
2.434E-1 0.0029 0.0108 0 0 0 0 0
1.827E-1 0.0034 0.0125 0 0 0 0 0
1.371E-1 0.0039 0.0146 0 0 0 0 0
1.030E-1 0.0045 0.0170 0 0 0 0 0
7.733E-2 0.0052 0.0199 0 0 0 0 0
5.808E-2 0.0060 0.0234 0 0 0 0 0
4.364E-2 0.0070 0.0275 0 0 0 0 0
3.280E-2 0.0081 0.0323 0 0 0 0 0
2.466E-2 0.0093 0.0380 0 0 0 0 0
1.855E-2 0.0107 0.0445 0 0 0 0 0
1.396E-2 0.0124 0.0520 0 0 0 0 0
1.051E-2 0.0143 0.0606 0 0 0 0 0
7.919E-3 0.0165 0.0703 0 0 0 0 0
5.972E-3 0.0191 0.0810 0 0 0 0 0
4.507E-3 0.0221 0.0928 0.0002 0 0 0 0
3.406E-3 0.0255 0.1054 0.0004 0 0 0 0
2.577E-3 0.0294 0.1188 0.0009 0 0 0 0
1.953E-3 0.0340 0.1327 0.0017 0 0 0 0
1.483E-3 0.0392 0.1467 0.0029 0 0 0 0
1.128E-3 0.0453 0.1605 0.0048 0 0 0 0
8.607E-4 0.0523 0.1737 0.0075 0 0 0 0
6.585E-4 0.0604 0.1857 0.0111 0 0 0 0
5.055E-4 0.0698 0.1963 0.0157 0 0 0 0
3.896E-4 0.0806 0.2050 0.0213 0.0006 0 0 0
3.016E-4 0.0931 0.2115 0.0280 0.0012 0 0 0
2.347E-4 0.1075 0.2155 0.0356 0.0024 0.0001 0 0
1.837E-4 0.1241 0.2169 0.0439 0.0041 0.0001 0 0
1.446E-4 0.1433 0.2158 0.0525 0.0067 0.0004 0 0
1.147E-4 0.1655 0.2122 0.0612 0.0100 0.0008 0 0
9.153E-5 0.1911 0.2065 0.0694 0.0140 0.0015 0.0001 0
7.360E-5 0.2207 0.1989 0.0768 0.0187 0.0027 0.0002 0
5.961E-5 0.2548 0.1898 0.0829 0.0236 0.0044 0.0005 0
4.862E-5 0.2943 0.1797 0.0873 0.0286 0.0065 0.0010 0.0001
3.993E-5 0.3398 0.1690 0.0901 0.0335 0.0091 0.0018 0.0002
3.299E-5 0.3924 0.1581 0.0910 0.0380 0.0121 0.0029 0.0005
2.742E-5 0.4532 0.1474 0.0903 0.0418 0.0153 0.0043 0.0010
2.290E-5 0.5233 0.1372 0.0883 0.0450 0.0185 0.0061 0.0016
1.921E-5 0.6043 0.1278 0.0854 0.0475 0.0215 0.0081 0.0025
1.618E-5 0.6978 0.1194 0.0821 0.0491 0.0243 0.0102 0.0037
1.367E-5 0.8058 0.1121 0.0789 0.0500 0.0267 0.0124 0.0050
1.159E-5 0.9306 0.1063 0.0763 0.0501 0.0286 0.0145 0.0065