Compound

Formula

MW

Diagonistic ion (m/z)

*Retention

FAME

Index based on

n-alkane

n-Eicosanal

C20H40O

296

82, 96, 278(M-18), 250(M-46)

1899

2226

n-Heneicosanal

C21H42O

310

82, 96, 292(M-18), 264(M-46)

2000

2354

n-Docosanal

C22H44O

324

82, 96, 306(M-18), 278(M-46)

2102

2429

n-Tricosanal

C23H46O

338

82, 96, 320(M-18), 292(M-46), 338(M+)

2203

2531

n-Tetracosanal

C24H48O

352

82, 96, 334(M-18), 306(M-46), 352(M+)

2304

2634

n-Pentacosanal

C25H50O

366

82, 96, 348(M-18), 320(M-46), 366(M+)

2406

2735

n-Hexacosanal

C26H52O

380

82, 96, 362(M-18), 334(M-46), 380(M+)

2507

2837

n-Octacosanal

C28H56O

408

82, 96, 362(M-18), 390(M-46), 408(M+)

2709

3040