227666-A is referenced by 9 patents.

Barium and strontium hydrates are obtained by treating a solution of the sulphide with ammonia. Half of the barium or strontium separates as hydrate and may be washed free from sulphide with water containing ammonia. The rest of the barium or strontium is converted into hydrosulphide, which, after expulsion of the ammonia may be treated with carbon dioxide to recover sulphuretted hydrogen. To obtain practically all the barium or strontium as hydrate the sulphide is treated with ammonia and caustic alkali.

Title
Improved manufacture of barium hydroxide or strontium hydroxide
Application Number
GB19240006151 19240310
Publication Number
227666 (A)
Application Date
March 10, 1924
Publication Date
January 22, 1925
Assignee
Bernhard Conrad Stuer
Rhenania Ver Chemischer Fab
IPC
C01F 11/00
C01F 11/10
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