{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/112590"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/112590","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"A study of the system ZnSo₄ - H₂O at 25⁰C","abstract":"From a study of the 25℃ isotherm the following factors are evident: Two hydrates of zinc sulphate exist at this temperature, the heptahydrate and the monohydrate. The transition point between the ZnSO₄·7H₂O and ZnSO₄·H₂O is given as 22.25% sulphuric acid and 22.81% zinc sulphate. The transition point between the ZnSO₄·H₂O and anhydrous ZnSO₄ is given as 88.08% sulphuric acid and .22% zinc sulphate. The solubility of the zinc sulphate in the sulphuric acid shows a marked decrease at 46% to 48% sulphuric acid is very low in the 97.25% sulphuric acid having only .03% zinc sulphate. There was no evidence of an acid salt of zinc sulphate being formed at this temperature.","abstract_html":"From a study of the 25℃ isotherm the following factors are evident: Two hydrates of zinc sulphate exist at this temperature, the heptahydrate and the monohydrate. The transition point between the ZnSO₄·7H₂O and ZnSO₄·H₂O is given as 22.25% sulphuric acid and 22.81% zinc sulphate. The transition point between the ZnSO₄·H₂O and anhydrous ZnSO₄ is given as 88.08% sulphuric acid and .22% zinc sulphate. The solubility of the zinc sulphate in the sulphuric acid shows a marked decrease at 46% to 48% sulphuric acid is very low in the 97.25% sulphuric acid having only .03% zinc sulphate. There was no evidence of an acid salt of zinc sulphate being formed at this temperature.","abstract_has_math":false,"creators":["Lordley, H. 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The transition point between the ZnSO₄·7H₂O and ZnSO₄·H₂O is given as 22.25% sulphuric acid and 22.81% zinc sulphate. The transition point between the ZnSO₄·H₂O and anhydrous ZnSO₄ is given as 88.08% sulphuric acid and .22% zinc sulphate. The solubility of the zinc sulphate in the sulphuric acid shows a marked decrease at 46% to 48% sulphuric acid is very low in the 97.25% sulphuric acid having only .03% zinc sulphate. There was no evidence of an acid salt of zinc sulphate being formed at this temperature."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["M.S."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["A study of the system ZnSo₄ - H₂O at 25⁰C"]}]}],"canonical_facts":{"dc:contributor.department":["Chemistry"],"dc:creator":["Lordley, H. E."],"dc:date.accessioned":["2022-11-15T02:49:25Z"],"dc:date.available":["2022-11-15T02:49:25Z"],"dc:date.issued":["1936"],"dc:description.abstract":["From a study of the 25℃ isotherm the following factors are evident: Two hydrates of zinc sulphate exist at this temperature, the heptahydrate and the monohydrate. The transition point between the ZnSO₄·7H₂O and ZnSO₄·H₂O is given as 22.25% sulphuric acid and 22.81% zinc sulphate. The transition point between the ZnSO₄·H₂O and anhydrous ZnSO₄ is given as 88.08% sulphuric acid and .22% zinc sulphate. The solubility of the zinc sulphate in the sulphuric acid shows a marked decrease at 46% to 48% sulphuric acid is very low in the 97.25% sulphuric acid having only .03% zinc sulphate. There was no evidence of an acid salt of zinc sulphate being formed at this temperature."],"dc:description.degree":["M.S."],"dc:format.mimetype":["application/pdf"],"dc:identifier.uri":["http://hdl.handle.net/10919/112590"],"dc:language.iso":["en"],"dc:publisher":["Virginia Agricultural and Mechanical College and Polytechnic Institute"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["A study of the system ZnSo₄ - H₂O at 25⁰C"],"dc:type":["Thesis"],"dc:type.dcmitype":["Text"],"thesis:degree_discipline":["Chemistry"],"thesis:degree_level":["masters"],"thesis:degree_name":["M.S."],"thesis:institution_name":["Virginia Agricultural and Mechanical College and Polytechnic Institute"]},"updated_at":"2026-07-22T22:19:49Z"}