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Table T5. Wavelengths used for rock measurements by ICP-AES, Expedition 324. (See table notes.)

Element Wavelength
(nm)
Major:
Si 250.690 251.611
Ti 337.280  
Al 308.215 396.152
Fe 239.563  
Mn 257.610  
Mg 280.271 285.213
Ca 317.933  
Na 588.995 589.592
K 769.897  
P 214.914  
Trace:
Ba 493.409  
Sr 407.771 421.552
Zr 339.198 343.823
Y 360.073  
V 292.401  
Sc 361.383  
Cu 324.754  
Zn 213.856  
Co 228.615  
Cr 283.563  
Ni 231.604  

Notes: For elements listed with two wavelengths, concentrations derived from both measurements were averaged if calibration lines for each wavelength were of similar quality. Otherwise, the wavelength yielding the best calibration line was used.

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