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Beryllium selenates

The stable form of beryllium selenate in contact with water at 298.15 K is Be-8e04-4H20. The selected solubility is based on the measurements in [2681D/LEW] and [838ER/KUD]  [Pg.393]

These results, which agree with [82WAG/EVA] within the uncertainties, are included in Appendix E since they were calculated with non-TDB auxiliary data. [Pg.394]

BeH808Se beryllium selenate tetrahydrate 10039-31-3 25.00 2.0300 1 745 CaH1209S2 calcium thiosulfate hexahydrate 10124-41-1 25.00 1.8700 1... [Pg.298]

SEL/SHN3] Selivanova, N. M., Shneider, V. A., Physicochemical properties of selenates X. Heat of formation of beryllium selenate, Zh. Fiz. Khim., 35, (1961), 574-579, in Russian, English translation in [6ISEL/SHN4]. Cited on pages 393,463, 648. [Pg.672]

Tetrahydrate, orthorhombic crystals, d 2.03, Changes to the dihydrate at 100" and becomes anhydr at 300% Freely sol in water aq sotns of beryllium selenate are good solvents for beryllium oxide. [Pg.183]

Beryllium Selenate, BeSeO. 4HjO.—Beryllium selenate was first prepared by Atterberg (1873 7 and 8) and has been also studied by Topsoe (1872 i). It is isomorphous with the sulphate and like the sulphate, loses water at 100 forming a dihydrate. According to Topsoe (1872 i) and Topsoe and Christiansen (1873 9), it crystallizes in the rhombohedral system, a b c—i 0.9602 0.9027, observed forms (on), (lOl),. (021), (in), (001). Its mean indices of refraction are... [Pg.34]

Cellulose is insol in w, ale, eth all known simple org solvs. The best solv for it is cuprammonium hydroxide, [Cu(NH3)4(OH)2], also called Schweitzer s Reagent. It is also sol in a coned soln of Ca thiocyanate alone or in combination with formaldehyde. Other solvs gelatinizers for cellulose include zinc chloride (in 40% soln on heating), basic beryllium perchlorate, 84% phosphoric acid, selenic acid, arsenic acid, sulfurous acid, 66% HBr, 70-75% HF, coned HI, chloral with pyridine, chloral hydrate in H2S04, and inorg salts(such as NaCl) in coned solns at high temps. Coned solns of NaOH at ca -10° only partially dissolve cellulose while the remainder is swelled "mercerized . [Pg.491]

BeCI2 beryllium chloride 7787-47-5 25.00 1.9000 1 739 CaH406Se calcium selenate dihydrate 7790-74-1 25.00 2.7500 1... [Pg.298]

See other pages where Beryllium selenates is mentioned: [Pg.393]    [Pg.183]    [Pg.701]    [Pg.693]    [Pg.681]    [Pg.775]    [Pg.33]    [Pg.739]    [Pg.773]    [Pg.693]    [Pg.393]    [Pg.183]    [Pg.701]    [Pg.693]    [Pg.681]    [Pg.775]    [Pg.33]    [Pg.739]    [Pg.773]    [Pg.693]    [Pg.200]    [Pg.55]   


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Beryllium selenate.tetrahydrate

SELENE

Selen

Selenate

Selenates

Selenation

Selenization

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