Index of spectra / by W. Marshall Watts ; with a preface by H.E. Roscoe.

Date:
1872
Catalogue details

Licence: Public Domain Mark

Credit: Index of spectra / by W. Marshall Watts ; with a preface by H.E. Roscoe. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

    83/120 (page 59)
    Silicon, Plucker. (Speamm of Silicon-chloride), Pogg. Ann., cvii. No. 39i 47-8 8o*o 8o-2 807 Plucker. SiCl^ a 6329 sici, ^ 5978 SiCl, 7 5043 Kirchhoff. 5060 ,5056 (5045 (5042 SiCl^ « is a brilliant red line ; /3 a somewhat weaker orange band ; 7 a brilliant green double band with a bright line in the middle. The spectrum contains also two dark violet bands whose wave-lengths are about 4205 and 4160. Sodium. BuNSEN and Kirchhoff. Phil. Mag. [4], xx. Rutherford. Silliman's Journal [2], xxxv., 407. Wolf and Diacon. Cojnptes Rendus, Iv., 334. Attfield. Phil. Trans., 1862, 221. MuLLER. Pogg. Ann., cxviii., 641. No. Huggins. Thal6n. Kirchhoff. Miiller. Intensity. 43*2 433 49*9 50-1 56-0 56-2 75'5 757 83-5 .6155 ,6149 ■5895 I5889 (5687 I5681 (5154 (5H9 4985 6160 6154 5895 5889 5687 5681 5155 5152 4983 5895' 5889, 5918 8 8 10 10 6 6 6 6 4