GB1175476A - Improvements in the Purification of Alkali Metal Hydroxides - Google Patents

Improvements in the Purification of Alkali Metal Hydroxides

Info

Publication number
GB1175476A
GB1175476A GB1257768A GB1257768A GB1175476A GB 1175476 A GB1175476 A GB 1175476A GB 1257768 A GB1257768 A GB 1257768A GB 1257768 A GB1257768 A GB 1257768A GB 1175476 A GB1175476 A GB 1175476A
Authority
GB
United Kingdom
Prior art keywords
alkali metal
metal hydroxides
purification
hydroxide
ptfe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1257768A
Inventor
Josef Veprek-Siska
Viktor Ettel
Karel Eckschlager
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Priority to GB1257768A priority Critical patent/GB1175476A/en
Publication of GB1175476A publication Critical patent/GB1175476A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/28—Purification; Separation
    • C01D1/30—Purification; Separation by crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

1,175,476. Alkali metal hydroxides. CESKOSLOVENSKA AKADEMIE VED. 15 March, 1968, No. 12577/68. Heading BIS. [Also in Division C1] Potassium or sodium hydroxide is purified by forming a solid hydrate and zone-melting. Surfaces in contact with the hydroxide may be of PTFE or polyamide.
GB1257768A 1968-03-15 1968-03-15 Improvements in the Purification of Alkali Metal Hydroxides Expired GB1175476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1257768A GB1175476A (en) 1968-03-15 1968-03-15 Improvements in the Purification of Alkali Metal Hydroxides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1257768A GB1175476A (en) 1968-03-15 1968-03-15 Improvements in the Purification of Alkali Metal Hydroxides

Publications (1)

Publication Number Publication Date
GB1175476A true GB1175476A (en) 1969-12-23

Family

ID=10007211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257768A Expired GB1175476A (en) 1968-03-15 1968-03-15 Improvements in the Purification of Alkali Metal Hydroxides

Country Status (1)

Country Link
GB (1) GB1175476A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees