The precipitation of phosphates of strontium and of barium (in German)
Journal Article
·
· Zeitschrift fuer Anorganische und Allgemeine Chemie
From solutions of SrCl2 containing KH2PO4 in excess, well crystallized SrHPO4 is precipitated by KOH at pH == 6 to 8. At higher pH values, strontium hydroxy-apatite is obtained. If SrCl2 is in excess, at all pH--values hydroxy apatite is formed. Alkali chlorides favor the formation of apatite; in their presence, apatite is formed at all pH values if their concentration is at least 1.5 n. Barium ions form at pH = 6 to 8 the secondary phosphate, too. At higher pH values, however, tertiary phosphate is obtained instead of apatite. In the presence of alkali chlorides, barium hydroxy apatite is precipitated from aqueous solutions only at pH = 10.
- Research Organization:
- Technische Hochschule, Karlsruhe, Ger.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-000175
- OSTI ID:
- 4823435
- Journal Information:
- Zeitschrift fuer Anorganische und Allgemeine Chemie, Journal Name: Zeitschrift fuer Anorganische und Allgemeine Chemie Journal Issue: 4-6 Vol. 310; ISSN 0044-2313
- Publisher:
- Wiley
- Country of Publication:
- Country unknown/Code not available
- Language:
- German
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Related Subjects
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
ACIDITY
ALKALI METALS
APATITES
BARIUM
BARIUM HYDROXIDES
BARIUM PHOSPHATES
CALCIUM COMPLEXES
CHLORIDES
IONS
MOLECULES
PHOSPHATES
POTASSIUM HYDROXIDES
POTASSIUM PHOSPHATES
PRECIPITATION
QUANTITY RATIO
STRONTIUM CHLORIDES
STRONTIUM HYDROXIDES
STRONTIUM PHOSPHATES
ACIDITY
ALKALI METALS
APATITES
BARIUM
BARIUM HYDROXIDES
BARIUM PHOSPHATES
CALCIUM COMPLEXES
CHLORIDES
IONS
MOLECULES
PHOSPHATES
POTASSIUM HYDROXIDES
POTASSIUM PHOSPHATES
PRECIPITATION
QUANTITY RATIO
STRONTIUM CHLORIDES
STRONTIUM HYDROXIDES
STRONTIUM PHOSPHATES