igii.] 



HINRICHS— ATOMIC WEIGHT OF VANADIUM. 



205 



Roscoe, 1868. — Jour. Chem. Soc, 6, p. 330, 1868. 



No. I. 2. 3. 4 



Weight Oxide y.~ 6.6 5.2 5.1 



r = o.i7 533 507 489 515 



e= — 49 — 75 — 93 — 67 



Range 44. — Diagram, Line F. 



Prandtl, 1910. — Jour. Am. Chem. Soc, 191 1, pp. 266-7, from Ztsch. anorg. 

 Chem., 67, 257. 



No. I. 2. 3. 4. Mean. 



Weight Oxide 9.1 9.9 8.7 12.3 lo.o 



r = o.i7 261 376 395 394 356 



f= —321 — 206 — 187 — 188 — 225 

 Range 133. — Diagram, Line C. 



Reaction 269. — Atomic Ratio, /? = 0.53549. 

 Roscoe, 1868; Analyst K.—Jour. Chem. Soc.. Vol. 6. 



No. I. 2. 3. 



Oxychlor. 2.4 4.7 4.2 



r = o.53 425 528 533 



^= — 124 — 21 — 16 



Range : 108. — Diagram : Line M. 



Roscoe, 1868; Analyst B. 



Range: 501. — Diagram: Line R. Range: 555. 



Re.'^ction 270. — Atomic Ratio, R = 0.40302. 



Berzelius, 1831. — i determ. : 1.6385 oxychlor. gave 4.0515 Ag, hence r 

 0.40442 and e 140. Meyer-Seubert. " Atomgew.," 1882, pp. 90-91. 

 Diagram : Line G. 



