Changes in composition Of Hydrated Lime Stored in Non-Airtight Containers

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Date
1939/1940
Authors
Jones,G.H
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Abstract
It is known that hydrated lime decreases in total alkalinity, due to the formation of calcium carbonate, when stored in containers that do not seal the contents against atmospheric influences. In this investigation large uniform samples, weighing about 74 lb., of very finely ground hydrated lime were put aside in jute and sisal bags respectively, for the purpose of measuring the rate and the extent of this change. At the same time, the relative merits of jute and sisal bags might possibly be compared. A small sample of the same original material, contained in a sealed bottle, was kept for control purposes. Two methods of sampling the bags were employed: in one a composite sample of the whole was taken, and the other represented the outer inch round the sides of the bags only. The degree of chemical changes brought about respectively by protection from and exposure to atmospheric influences could therefore be measured.
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East African Agricultural And Forestry Journal, 5 (No 5), p. 383-384