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Table 1 List of saturated solutions used at different temperatures to achieve the required relative humidity

From: Aspects of the development of Ixodes anatis under different environmental conditions in the laboratory and in the field

Saturated salt solutions Relative humiditya
5 °C 10 °C 15 °C 20 °C 25 °C 30 °C
Expected Actual Expected Actual Expected Actual Expected Actual Expected Actual Expected Actual
Sodium chloride + potassium chloride        70 64.9 ± 0.61    70 66.8 ± 0.8)
Sodium chloride 75 77.1 ± 0.62 75 62.1 ± 0.47 75 66.8 ± 1.18 75 63.3 ± 0.58 75 73.9 ± 0.56 75 72.9 ± 0.6
Potassium bromide    85 83.4 ± 0.48    85 66.3 ± 0.71 85 63.9 ± 0.71   
Potassium chloride          85 83.6 ± 0.98 85 84.6 ± 0.17
Potassium nitrate 95 92.4 ± 1.86 95 95.5 (± 0.86) 95 93.9 ± 0.1.53    90 87.8 ± 1.2 90 81.6 ± 2.01
Potassium sulphate 99 64 .7 ± 0.50 99 96.4 ± 0.45 99 96.4 ± 2.56 99 85.6 ± 1.58 95 67.5 ± 1.82 95 72.9 ± 1.60
Potassium dichromate          99 97.6 ± 0.23 99 98.8 ± 1.80
Sodium nitrite        65   65   65  
  1. aValues for actual relative humidity (RH) are presented as the mean ± standard deviation