Quicklime should be kept in air-tight vessels or in large heaps under cover; otherwise, it should be slaked soon after delivery or run into putty to prevent deterioration.
Slaked lime can be stored safely for 3–4 months if packed in gunny bags lined with polythene, craft paper, etc. The storing should be done in weather-proof sheds, which are perfectly dry. As per specifications, the lime should be slaked not less than 1 week and not more than 4 weeks before its use.
Hydrated lime can be safely stored for considerable time without deterioration provided the bags are kept in a dry place.
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