Development and Validation of Gas Chromatography-Triple Quadrupole Mass Spectrometric Method for Quantitative Determination of Regulated Plasticizers in Medical Infusion Sets

Table 2

Linearity, LOQ, accuracy, and precision of target analytes in tubings of medical infusion sets.

Compound	R^2	LOQ (ng/g)^†	17 ng/g^‡		100 ng/g^‡
			Accuracy (%)	Precision (%RSD)	Accuracy (%)	Precision (%RSD)
DBP	0.9996	59.5	122	1.8	100	11.4
BBP	0.9996	58.6	104	5.8	103	13.4
DEHA	0.9994	56.9	95.9	4.1	91.8	12.4
DEHP	0.9991	76.3	113	2.0	99.7	13.2
DNOP	0.9993	54.1	116	13.5	98.0	16.0
DOTP	0.9997	75.5	98.8	5.4	118	11.5
DINP	0.9991	72.4	121	17.8	109	9.8
DIDP	0.9994	64.1	109	11.0	92.6	9.2

The square of the correlation coefficient; ^†limit of quantitation (LOQ) refers to the lowest concentrations that can be quantified with adequate accuracy and precision; ^‡the concentrations of the analytes in the spiked samples.