Skip to main content
Journal of Analytical Science and Technology

Table 2 Limit of detection (LOD), lower limit of quantification (LLOQ), linearity, and calibration curve

From: Simultaneous determination of ethyl glucuronide, cocaine, cocaethylene, and benzoylecgonine in hair by using LC–MS/MS

Compound

LOD (pg/mg)

LLOQ (pg/mg)

Calibration curve (n = 3)

Calibration range (pg/mg)

r

Slope

y-Intercept

EtG

2

7

7–700

0.9978

0.0028 ± 0.0001

0.0077 ± 0.0025

COC

0.5

2

2–200

0.9989

0.0883 ± 0.0020

0.0419 ± 0.0051

CE

2

10

10–1000

0.9987

0.0023 ± 0.0000

0.0046 ± 0.0009

BZE

0.3

1

1–100

0.9989

0.1089 ± 0.0030

0.0246 ± 0.0125

Back to article page