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Table 8 List of major compounds proposed to be inherent of hydrothermal fluids and detected in in the Rainbow fluid samples

From: Characterisation of dissolved organic compounds in hydrothermal fluids by stir bar sorptive extraction - gas chomatography - mass spectrometry. Case study: the Rainbow field (36°N, Mid-Atlantic Ridge)

Compounds Molecular formula Rt (min)
toluene C7H8 3.26*
ethylbenzene C8H10 4.34*
p-xylene / m-xylene C8H10 4.43*
cyclohexane, 1,?,? -trimethyl- C9H18 4.48†
cyclohexane, 1,?,? -trimethyl- C9H18 4.53†
cyclohexane, 1-methyl, ?-ethyl- C9H18 4.65†
o-xylene C8H10 4.71*
styrene C8H8 4.71*
nonane C9H20 4.76*
cyclohexane, 1-methyl, ?-ethyl- C9H18 4.88†
cyclohexane, -propyl C9H18 5.18†
branched alkane C10H22 5.22†
cyclohexane, 1-ethyl, ?,?-dimethyl- C10H20 5.33†
branched alkane C10H22 5.51†
branched alkane C10H22 5.59†
branched alkane C10H22 5.70†
cyclohexane, 1-methyl, ?-propyl- C10H20 5.89†
phenol C6H6O 5.96†
decane C10H22 6.05*
cyclohexane, 1-methyl, ?-propyl- C10H22 6.18†
branched alkane C13H28 6.25†
branched alkane C13H28 6.33†
branched alkane C11H24 6.38†
cyclohexane, butyl- C10H20 6.52†
branched alkane C11H24 6.57†
branched cyclohexane ? 6.70†
branched alkane C11H24 6.80†
naphtalene, decahydro-, trans C10H18 6.85†
branched alkane C11H24 6.89†
branched alkane C11H24 6.97†
branched cyclohexane ? 7.18†
undecane C11H24 7.32*
cyclohexane, 1-methylbutyl- C11H22 7.60†
branched alkane C12H26 7.68†
cyclohexane, pentyl- C11H22 7.82†
cyclopentane, hexyl- C11H22 7.88†
branched alkane C12H26 8.12†
branched alkane C13H28 8.21†
octanoic acid C8H16O2 8.24†
naphtalene C10H8 8.52*
nonanoic acid C9H18O2 9.43*
tridecane C13H28 9.70*
naphthalene, ?-methyl- C11H10 9.84†
n-decanoic acid C10H20O2 10.52*
tetradecane C14H30 10.79*
naphthalene, ?,?-dimethyl- C12H12 11.21†
acenaphthene C12H10 11.87*
dodecanoic acid C12H24O2 12.58*
hexadecane C16H34 12.81*
fluorene C13H10 12.86*
heptadecane C17H36 13.74*
tetradecanoic acid C14H28O2 14.41*
octadecane C18H38 14.62*
phenanthrene C14H10 14.71*
anthracene C14H10 14.81*
pentadecanoic acid C15H30O2 15.23†
nonadecane C19H40 15.47*
n-hexadecanoic acid C16H32O2 16.12*
cyclic octaatomic sulfur S8 17.10†
fluoranthene C16H10 17.06*
pyrene C16H10 17.47*
octadecanoic acid C18H36O2 17.61*
  1. Rt is the retention time obtained with the current analytical method. * this study. † [13].