FOR SOLIDS AND LIQUIDS. 



107 



XXIX. BORATES. 



Name. 



Formula. 



Sp. Gravity. 



Authority. 



Hydrogen borate, or boric 

 acid. 



Sodium diborate. 



H a B 0, 



1.479 



Na 2 B 4 7 



1.4347, 15° _. 

 1.493, 20°.5_. 



1.5463, 0° " 

 1.5172, 12° 

 1.4165, 60° 

 1.3828, 80° 

 2.367 - 



Na 2 B 4 0.. 5 H 2 O 

 Na 2 B 4 O r 10H 2 O_- 



2.371, 20°... 



2.368, 16° 

 2.370, 14°.2 

 2.373, 18°.5 

 2.5, fused ___ 



1.815 _. 



1.757 _. 

 1.723 _. 



1.716 .. 

 1.74 __. 



1.730, m. of 2. 

 1.692 



1.692 



1.7156 .__ 



1.711, 20° 



1.736 



Kirwan. 



Stolba. J. 16, 667. 

 Favre and Valson. 

 C. R. 77, 579. 



Ditte. Bei. 2, 67. 



Filhol. Ann. (3), 



21, 415. 

 Favre and Valson. 



C. R. 77, 579. 

 Bedson and Wil- 

 liams. Ber. 14, 



2553. 

 Quincke. P. A. 135, 



642. 

 Payen. Q. J. S. 



1828 (1), 483. 

 Wattson. 

 Hassenfratz. Ann. 



28, 3. 

 Mobs. See Bottger. 

 Paven. Q. J. S. 



1828 (1), 483. 

 Plavfair and Joule. 



M. C. S. 2, 401. 

 Filhol. Ann. (3), 



21, 415. 

 Buignet. J. 14, 15. 

 Stolba. J. P.O. 97, 



503. 

 Favre and Valson. 



C. R. 77, 579. 

 W. 0. Smith. Am. 



J. P. 53, 148. 



: See Dana's Mineralogy for many other determinations. 



