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Table 4.
The saturated salt solutions to set the values of relative air humidity
| № Desiccator | Equilibrium grain moisture content during sample storage, % | Relative humidity set in a desiccator according to the table of salts, % | Name of the saturated salt solution | Average expected storage temperature, °C |
|---|---|---|---|---|
| 1 | 12.4 | 55 | Sodium bichromate Na2Cr2O7·2H2O | 20 |
| 2 | 10.5 | 35 | Magnesium chlorine MgCl2 | 20 |
| 3 | 13.7 | 65 | Ammonium nitrate NH4(NO3) | 20 |
| 4 | 11.2 | 45 | Potassium carbonateK2CO3.2H2O | 20 |
| 5 | 12.8 | 60 | Ammonium nitrate NH4(NO3) | 30 |
| 6 | 11.2 | 45 | Potassium carbonate K2CO3.2H2O | 10 |
| 7 | 15.1 | 75 | Sodium chloride NaCl | 20 |
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