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Table 7 Name, molecular formula and retention times (Rt) of the characteristic compounds that are leaked from the PDMS phase of the Twisters®

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)

cyclotrisiloxane, hexamethyl-

C6H18O3Si3

3.80

cyclotetrasiloxane, octamethyl-

C8H24O4Si4

6.03

cyclopentasiloxane, decamethyl-

C10H30O5Si5

7.98

cyclohexasiloxane, dodecamethyl-

C12H36O6Si6

9.99

cycloheptasiloxane, tetradecamethyl-

C14H42O7Si7

11.82

cyclononasiloxane, octadecamethyl-

C18H54O9Si9

14.88

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Geochemical Transactions

ISSN: 1467-4866

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