KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND. 2. N:o 4. 15 
Gamla bestämningen NTE NORMEN SER Cha 
enligt BAHRS preparat. enligt CLEVEsS preparat. enligt HÖGLUNDS preparat. 
Yttrium och Erbium. Yttrium. Erbium. 
I 
Våglängd. FR Anm. Våglängd. Fr Anm. Våglängd. RN Anm. 
| I 
4681,5 | 4 == | 
| 4674.0 4 4673,5 | 3 — 
4657.5 6 — 
4643,0 2 4643,0 2 == 
| — | 4581,0 | 5 
= 451550 «| 4 
4526.5 3 EN 
— | 4518,0 5) 
se 45140 | 5 
4505,0 4 4505,0 4 I == | 
4486 .0 5) = 
4464 35 6 flammig Ä | 
== | 4438.0 | 15) flammig 
4422,0 2 44220 2 == 
4397.0 4 4397,0 4 — 
— | 4382,0 | 6 
4374.0 4374,0 1 4374,0 5 flammig 
= NE 4359,0 | 5 | KJ, ( — Koincidens (?) 
43093 1 bred 4309,0 | 1 == | 
4245,0 6 flammig | 
4236,5 3 4236,5 | 4 = | 
| 4227,0 5 — = 
4176,5 2 bred 4176,5 2 bred — I | 
4167,0 3 4167,0 3 — | | 
4142,5 3 4142,5 4 — | | 
4127,0 2) 4127,0 4 — | | 
4102,3 Bal 4102,5 3 | — | 
