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Table 2 Ionic distribution in the dissolved samples

From: Monitoring the accumulated water soluble airborne compounds deposited on surfaces of showcases and walls in museums, archives and historical buildings

Identity St. Canute—show case Nyrop Wing—archive Koppel Wing—archive Arnamagnaean Collection—archive Nr. Broby Church (all lime washed) Søndersø Church (all lime washed)
Sample no 1a 1b 2a 2b 3a 3b 3c 4a 4b 5a 5b 5c 6a 6b
Surfaces/Ions (µEq/m2) Glass Red paint on wooden bookcase White paint on metal bookcase White paint on concrete wall Dark grey paint on metal vault door White paint on gas concrete Northern wall in chancel Eastern wall in nave Western wall in nave Southern wall in side Aisle North wall in western part of nave
NH4 + nd nd 127 56.5 6.08 nd 10.5 nd nd 1.53 nd 21.7 nd 119
Na+ 26.7 47.7 8.08 3.58 1.69 1.09 137 0.069 81.3 145 168 931 562 2993
K+ 0.488 2.02 14.6 3.05 2.54 2.15 46.4 nd 131 58.1 108 322 416 919
Mg2+ 1.16 1.54 3.13 1.78 0.940 1.84 11.9 0.048 0.651 57.9 66.5 81.9 133 331
Ca2+ nd nd nd nd nd nd 1748 nd nd 299 800 592 1661 2592
Mn2+ 0.018 0.022 0.081 0.044 0.014 0.000 0.047 nd nd nd nd 0.053 0.058 0.087
Fe2+ nd 0.086 nd 0.175 0.295 0.246 0.181 nd nd nd nd nd 0.320 nd
Co2+ nd nd 1.05 0.867 nd nd nd 0.038 nd nd nd nd nd nd
Ni2+ nd 0.010 0.027 0.020 0.034 0.028 0.019 nd 0.011 nd nd nd nd nd
Cu2+ 0.110 0.191 0.036 0.042 0.025 0.036 0.049 nd 0.047 0.067 0.062 0.073 0.049 0.074
Zn2+ 1.40 1.30 0.975 0.590 2.40 2.86 nd 0.050 0.153 1.60 1.04 1.29 6.42 20.3
Sr2+ 0.012 0.014 0.053 0.026 0.023 0.034 0.954 0.359 0.012 0.508 4.08 3.38 5.04 10.6
Ba2+ 0.012 0.009 0.007 0.012 nd 0.021 0.199 nd 0.146 nd 0.833 0.139 0.187 1.23
Pb2+ 0.008 0.037 1.73 1.78 0.115 0.372 0.010 nd 0.002 0.009 0.027 0.012 0.023 0.028
Al3+ 0.206 0.261 0.567 0.763 0.951 0.281 3.33 nd 0.730 0.314 1.03 2.12 2.06 2.38
Cr3+ nd nd 0.076 nd nd nd nd nd nd nd nd nd nd nd
As3+ nd 0.011 nd nd nd nd nd nd nd nd nd 0.022 nd nd
Sb3+ nd 0.004 0.023 0.028 nd nd nd nd 0.003 nd 0.005 0.008 nd nd
Sn4+ nd nd nd nd nd nd 0.008 nd nd nd nd nd 0.009 nd
Sum 30.1 53.2 157 69.2 15.1 8.96 1958 0.564 214 563 1150 1956 2787 6990
F 0.733 0.866 3.20 0.508 nd nd 29.7 0.050 0.346 3.23 nd nd nd nd
Cl 13.0 21.7 9.48 0.331 0.163 0.443 114 nd 2.70 411 357 936 967 2455
NO3 0.096 nd 1.78 1.04 0.561 1.152 53.6 0.060 nd 264 832 1094 2286 7595
SO4 2− 3.87 5.61 204 97.7 26.4 22.6 398 0.631 183 19.1 12.6 25.2 851 96.5
PO4 3− nd nd nd nd nd nd nd 1.24 nd nd nd nd nd nd
Acetate 1.47 4.47 6.09 4.09 0.845 nd 18,459 nd 15.4 nd nd nd nd nd
Oxalate2− 3.59 3.21 4.47 2.80 4.58 4.78 10.5 0.230 2.21 nd nd nd nd nd
Sum 22.8 35.8 229 106 32.6 29.0 19,065 2.21 204 697 1202 2056 4104 10,146
Difference (Cat-An) 7.24 17.3 71.7 37.2 17.5 20.0 17,107 1.65 10.6 134 52.3 100 1317 3157
  1. nd signifies not detected