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. Author manuscript; available in PMC: 2016 Aug 31.
Published in final edited form as: Deep Sea Res 2 Top Stud Oceanogr. 2014 Jan 30;129:273–281. doi: 10.1016/j.dsr2.2014.01.015

Table 1.

Whole method performance indicated by limit of detection (LOD), lower limit of quantification (LLOQ), upper limit of quantification (ULOQ), recovery, precision, and the method for individual analyte quantification.

Compound LOD (ng/L) LLOQ (ng/L) ULOQ (ng/L) Recovery (% ± 95% CI) RSD (%) Quantification Method
DOSS 67* 67 34,000 88 ± 10 10 ISC: 13C4-DOSS
α-/β-EHSS 16† 150† 25000 98 ± 6 1.4 ISC: 13C4-α-EHSS
Span 80 1,250 3,000 60,000 91 ± 21 23 Ext. Cal
Tween 80 987 2,700 400,000 119 ± 13 10 Ext. Cal
Tween 85 99 700 150,000 106 ± 20 17 Ext. Cal
*

DOSS LOD is equal to DOSS LOQ due to background variability.

†

ISC: 13C4-DOSS - internal standard calibration using 13C4-DOSS as internal standard; ISC: 13C4-α-EHSS – internal standard calibration using 13C4-α-EHSS as an internal standard; and Ext. Cal. - external standard calibration