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The phosphate industry. II.-Superphosphate

✍ Scribed by Packard, W.


Publisher
Wiley (John Wiley & Sons)
Year
1921
Weight
416 KB
Volume
40
Category
Article
ISSN
0368-4075

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## Abstract The sample of superphosphate is extracted with water, and the solution titrated with carbonate‐free sodium hydroxide in two stages with appropriate indicators. The first stage gives the free acid, and the second stage an approximate result for the primary calcium phosphate, Ca(H~2~PO~4~

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