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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: J Microsc. 2016 Apr 14;263(2):192–199. doi: 10.1111/jmi.12409

Table 2.

Salt solutions and silica gel used to generate different relative air humidity levels (RH) in the test chamber, slightly different values were measured after equlibartion of the test organisms Klebsormidium crenulatum and Zygnema sp.

Material Quantity (g/100ml) RH (%) K. crenulatum RH (%) Zygnema sp.
Lithium chloride (LiCl) 4.8 95.4 95.8
9.4 89.5 91.7
13.0 85.3 85.3
17.1 78.3 78.4
24.1 65.5 66.4
30.0 56.9 56.4
43.5 31.8 32.3
64.1 15.9 15.6
Potassium carbonate (K2CO3) 112 48.1 49.5
Silica gel 3.7 4.2