Paradas method
The paradas method (Spanish: método de paradas, sistema de paradas) was a process to extract nitrate from caliche by leaching. In this method caliche was boiled in water in large pans called "paradas".
The paradas method (Spanish: método de paradas, sistema de paradas) was a process to extract nitrate from caliche by leaching. In this method caliche was boiled in water in large pans called "paradas".
The paradas method (Spanish: método de paradas, sistema de paradas) was a process to extract nitrate from caliche by leaching. In this method caliche was boiled in water in large pans called "paradas".
Source: Wikipedia "Paradas method" · CC BY-SA 4.0
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