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- Critical_relative_humidity abstract "The critical relative humidity (CRH) of a salt is defined as the relative humidity of the surrounding atmosphere (at a certain temperature) at which the material begins to absorb moisture from the atmosphere and below which it will not absorb atmospheric moisture.When the humidity of the atmosphere is equal to (or is greater than) the critical relative humidity of a sample of salt, the sample will take up water until all of the salt is dissolved to yield a saturated solution. All water-soluble salts and mixtures have characteristic critical humidities; it is a unique material property.The critical relative humidity of most salts decreases with increasing temperature. For instance, the critical relative humidity of ammonium nitrate decreases 22% with a temperature from 0°C to 40°C (32°F to 104°F).The critical relative humidity of several fertilizer salts is given in table 1:Table 1: Critical relative humidities of pure salts at 30°C.Mixtures of salts usually have lower critical humidities than either of the constituents. Table 2 shows CRH data for two-component mixtures:Table 2: Critical relative humidities of mixtures of salts at 30°C (values are percent relative humidity).As shown, the effect of salt mixing is most dramatic in the case of ammonium nitrate with urea. This mixture has an extremely low critical relative humidity and can therefore only be used in liquid fertilisers (so called UAN-solutions).".
- Critical_relative_humidity wikiPageID "7107008".
- Critical_relative_humidity wikiPageRevisionID "589244223".
- Critical_relative_humidity hasPhotoCollection Critical_relative_humidity.
- Critical_relative_humidity subject Category:Agricultural_chemicals.
- Critical_relative_humidity subject Category:Atmospheric_thermodynamics.
- Critical_relative_humidity subject Category:Chemical_properties.
- Critical_relative_humidity subject Category:Physical_quantities.
- Critical_relative_humidity type Abstraction100002137.
- Critical_relative_humidity type AgriculturalChemicals.
- Critical_relative_humidity type Attribute100024264.
- Critical_relative_humidity type Chemical114806838.
- Critical_relative_humidity type ChemicalProperties.
- Critical_relative_humidity type ChemicalProperty105009758.
- Critical_relative_humidity type Material114580897.
- Critical_relative_humidity type Matter100020827.
- Critical_relative_humidity type Measure100033615.
- Critical_relative_humidity type Part113809207.
- Critical_relative_humidity type PhysicalEntity100001930.
- Critical_relative_humidity type PhysicalQuantities.
- Critical_relative_humidity type Property104916342.
- Critical_relative_humidity type Relation100031921.
- Critical_relative_humidity type Substance100019613.
- Critical_relative_humidity comment "The critical relative humidity (CRH) of a salt is defined as the relative humidity of the surrounding atmosphere (at a certain temperature) at which the material begins to absorb moisture from the atmosphere and below which it will not absorb atmospheric moisture.When the humidity of the atmosphere is equal to (or is greater than) the critical relative humidity of a sample of salt, the sample will take up water until all of the salt is dissolved to yield a saturated solution.".
- Critical_relative_humidity label "Critical relative humidity".
- Critical_relative_humidity label "Humidade relativa crítica".
- Critical_relative_humidity label "Kritische relatieve vochtigheid".
- Critical_relative_humidity label "临界相对湿度".
- Critical_relative_humidity sameAs Kritische_relatieve_vochtigheid.
- Critical_relative_humidity sameAs Humidade_relativa_crítica.
- Critical_relative_humidity sameAs m.0h4g92.
- Critical_relative_humidity sameAs Q2514843.
- Critical_relative_humidity sameAs Q2514843.
- Critical_relative_humidity sameAs Critical_relative_humidity.
- Critical_relative_humidity wasDerivedFrom Critical_relative_humidity?oldid=589244223.
- Critical_relative_humidity isPrimaryTopicOf Critical_relative_humidity.