Contribution à l'étude du système quinaire H+Na+K+Cl−PO4− − −H2O. I. Généralités et systèmes ternaires NaClKClH2O, KClKH2PO4H2O, NaClNaH2PO4 H2O et NaH2PO4KH2PO4H2O
✍ Scribed by G. Brunisholz; M. Bodmer
- Publisher
- John Wiley and Sons
- Year
- 1963
- Tongue
- German
- Weight
- 421 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0018-019X
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📜 SIMILAR VOLUMES
The title compound is prepared by adding aqueous ammonia to a solution of phosphoric acid containing a small amount of iron (III) ions (3%). It crystallizes in the monoclinic system, space group C2/c, a ؍ 16.8450(9) A > , b ؍ 9.6111(1) A > , c ؍ 17.6470(7) A > , and ؍ 90.91(2)°, R ؍ 0.031,
Les isothermes a` 40, 45, 47, et 50°C du syste`me ternaire H 2 O-Na 2 HPO 4 -Na 2 SO 4 ont e´te´e´tudie´s par mesures conduc-time´triques. Les phases solides existantes sont les hydrates Na 2 HPO 4 • 2H 2 O et Na 2 HPO 4 • 7H 2 O, ainsi que Na 2 SO 4 anhydre. Les domaines d'existence des diverses ph
2.5 , monoclinic C2/m, a ؍ 18.425(4) A ˚, c ؍ 8.954(2) A ˚,  ؍ 93.69(2) 0 , V ؍ 1221.1(4) A ˚3, Z ؍ 4, D calc ؍ 2.423 g cm ؊3 ; 2 ؒ H 2 O, H 4 F 2 K 2 O 13 P 2 V 3 , triclinic P1, a ؍ 7.298(1) A ˚, b ؍ 8.929(2) A ˚, c ؍ 10.090(2) A ˚, ␣ ؍ 104.50(2) 0 ,  ؍ 100.39(2) 0 , ␦ ؍