ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 411 



Platinum (Spark and Arc Spectra). 



Kayser: ' Abhandl. kongl. Akad. Wissensch. Berlin,' 1897. 



Exner and Haschek : ' Sitz. kaiseri. Akad. Wissensch. Wien,' civ. (1895), cv. 

 IS96, cvi. (1897). 



Wave-length 



Exner and 



Haschek 



Spark 



Kayser 

 Arc 



Intensity 



and 

 Character 



Spark 



5861074 



5845-050 



5840-354 



5763-778 



5762-877 



5728-399 



5700-672 



5699190 



56S4-908 



5660-245 



5626-077 



5514-324 



5478-722 



5475-996 



5469-714 



5452-984 



5391-010 



5388105 



5.%9-188 



5324-799 



5319-540 



5306-493 



5301-182 



5295-918 



5286-289 



5275-008 



5265-290 



5260-982 



5257609 



5227-782 



5208-775 



5194-050 



5118-583 



5095-950 



5059-658 



5050-006 



5044-645 



5C44-194 



5038-681 



5037-859 



5033-686 



5002-762 



4998-123 



4980-532 



4879-700 



4862-577 



4854-067 



4831-371 

 I 4772-467 



4746-046 

 I 4739-924 

 KoTK.— In the arc spectrum the 

 10 : denoting a very weak line. 



Arc 



Previous 



Observations 



(Angstrom) 



5478-1 

 5475-6 



6389-6 

 5367-6 



5301-6 



2 



4 5845-1 Thalen 

 5 

 3 

 3 

 

 



1 



2 



2 



4 



4 



6 



6 



2 







4 



2 



4 















6 







On 



On 







3 



On 



6 5226-2 







1 



1 



On 



5 5059-6 

 1 

 6 

 4 

 



On 

 4 

 2 

 2 

 1 



4 4879-1 





 4 

 

 1 

 1 

 1 

 intensities are estimated on a scale 



Oscillation 

 Frequency 

 in Vacuo 



17057-1 

 17103-9 

 17117-7 

 173450 

 17347-7 

 17452-3 

 17537-0 

 17541-6 

 17585-6 

 17662-3 

 17769-6 

 18129-7 

 18247-4 

 18256-5 

 18277-5 

 18333-6 

 18544-3 

 18554-3 

 18619-7 

 18774-9 

 18793-5 

 18839-8 

 18858-5 

 18877-3 

 18911-7 

 18952-1 

 18987-1 

 19002-7 

 19014-9 

 19123-4 

 19200-4 

 19247-5 

 19531-4 

 19618-0 

 19758-8 

 19796-5 

 19817-6 

 19819-4 

 19841-1 

 19844-3 

 19860-7 

 19983-5 

 20002-0 

 20072-7 

 20487 5 

 20559-6 

 20595-6 

 20692-4 

 20947-7 

 21064-4 

 21091-6 

 from to 



