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Table 1 Details of sampling and calculation of naphthalene concentrations and emission rates

From: Application of a non-invasive, non-destructive technique to quantify naphthalene emission rates from museum objects

Object Object weight (g) Temperature (°C) during sampling Relative humidity during sampling Sampling time (h) Calculated concentration of naphthalene (ng) Calculated concentration of naphthalene deducing background naphthalene in chamber (ng) Emission rate (mg/h)
Af1910,0420,277
22.7 17 ± 1 50% ± 2 4 2.70 2.45 6.12E−07
18 ± 1 54% ± 2 4.5 0.95 0.70 1.56E−07
21 ± 1 44% ± 2 4.5 0.96 0.71 1.58E−07
Af1910,0420,272
114.6 17 ± 1 53% ± 2 4.5 3.27 3.02 6.72E−07
17 ± 1 46% ± 1 5 2.93 2.68 5.36E−07
20 ± 1 47% ± 1 4.5 3.79 3.54 7.87E−07
Af1909,Ty.950
97.2 17 ± 1 50% ± 1 2.7 2.39 2.14 7.92E−07
17 ± 1 49% ± 2 5 4.55 4.30 8.61E−07
18 ± 1 54% ± 2 4 1.70 0.43 1.07E−07
21 ± 1 46% ± 1 4.5 2.89 2.64 5.87E−07