Sulphur. 



589 



0660 



I 



Nasiui e Levi. 591175. lladio- 

 altivi'iu di alcuni prodotti vulciuiici 

 (leU'Liltinui eiuzione del Vesuvio (^aprilo 

 J 906) e ooiifronto con quella di niateriali 

 pill aiitichi. 



Orlov. 60190. Wirkung des l!a- 

 <liunis aid StolTe der Fettreilie. (Russ.) 



Paweck. 60409. Herstelhing vou 

 ii'adiuni aus Uranpecherz. 



Perkins. 60472. Determination of 

 tlie uiolei-ular weight of radium einana- 

 liou l)y the comparison of its rate of 

 diffusion with that of mercury vapor. 



Perman. 60473. Direct action (^f 

 radium on copper and gold. 



Precht. 60773. Euergie rayounee 

 par le radium. 60774 : Radioaktive 

 Stoffe in den Salzbergwerken and Zusam- 

 menliaug von Erdwarme and Itadium- 

 wiirme. 



Ramsay. 608S5. The sequence of 

 events. 



60892. Les gaz inertes 



de I'atmosphere et leur derivation de 

 Temanatiou des corps radioactifs. 



R€pin. 61005. 61006. Radio- 

 activite de certaines sources goitrigeues. 



Reychler. 61033. Radiologic. 



Rutherford. 61377. Slow trans- 

 formation products of radium. 61379 : 

 Production and origin of radium. 61380 : 

 IJrsprung des Radiums (Bericht). 

 (Uebers.j 61381 : Some properties of 

 the radium emanation. 61382: Volume 

 of the emanation. 



& Royds. 61388. Spec- 



trum of radium emanation. 61389 : 

 Action of the radium emanation upon 

 water. 



Salkind. 61430. Revue des travaux 

 sur les substances radioactives pour 

 I'annee 1907. (Russe.) 



Satterly. 61481. Amount of radium 

 emanation in the atmosphere. 



Schmidt. 61637a. L'absorption des 

 rayons H du radium. 



Sidgwlck & Tizard. fil94(). Initial 

 cliange of the radium emanation. 



Soddy. 62064. Relation between 

 uranium and radium. 



Sommer. 62085. Radium uml 



Hadioaktivitiit schweizerischer lieil- 



quelleii. 62086 : Emanation uiul 

 Emanationstherapie. 



Starke. 6217S. Sekundarstralden 

 des Kudiums. 



Thomson. 62602. Relation between 

 mass and weight for radium. 



Thorpe. 62606. Atomic weiglit of 

 radium. (English and (.ierman.) 



Turner. 62778. Ionium, the parent 

 of radium. A review. 



Wade. 63050. Radio-activity of 

 " salt-lime." 



Wilde. 63338. G3339. Atomic 

 weight of radium. 



Radium Bromide. 



Himstedt et Meyer. 57470 Analyse 

 spectrale de la lumiere propre du bro- 

 mure de radium cristallise. 



0630 Rb) RUBIDIUM. 



Rb RUBIDIUM OXIDES. 



Rubidium Salts. 



liubldium D'u-hromate. 



Stortenbeker. 62341. WyroubofiF. 



63531. Le bichi-omate de rubidium. 



Rubidium Nitrate. 



Jones. 57887. Spontaneous crystalli- 

 sation of solutions of . . . [rubidium] 

 nitrate. 



Rubldiian Per'iodate Rbl04 



Barker. 54113. 



Rubidium Tntlnonate Wh^^-tS^^ 



Mackenzie & Marshall. 59233. 



0640 (Rh) RHODIUM. 



Cohen u. Strengers. 55296. Physi- 

 kalisch-chemische Stiidien an den „ex- 

 plosiven Platiiimetallen". 



Hiittlinger. 57669. Atomgewicht. 



Mendenhall & Ingersoll. 59569. 



Melting point of rhodium. 



0660 (S) SULPHUR. ' 



Adam, B. 53742. Elektrische Leit- 

 fahigkeit des Schwefels. 



Auger. 53944. Un nouveau t\ ]ie 

 de combinaison (hi soufre avec certains 

 iodures. 



Brownlee. 54861. Precipitated sul- 

 })liur. 



Callendar. 55014. IkMliiig-poinl. 



