TABLE IX

Average ICP/MS Results from Water and Ethanol Extracts from One Connector

Elements	Water Extract				Ethanol Extract
Elements	LOD (ppb)	Calibration Curve (r²)	Recovery^{^a} (%)	Concentration^{^b} (ppb)	LOD (ppb)	Calibration Curve (r²)	Recovery^{^a} (%)	Concentration^{^b} (ppb)
B	0.080	0.9999	117	0.397	1.10	1.0000	92.0	< DL
Na	0.070	1.0000	97.0	0.162	1.30	0.9996	98.0	< DL
Ca	0.020	0.9999	102	< DL	0.500	0.9992	106	1.03
Zn	0.010	0.9999	106	0.050	0.300	0.9998	103	< DL

↵a Standard solutions containing elements in concentration of 1 to 5 ppb (parts-per-billion) were used.
↵b The results were corrected with negative control values.