TABLE VIII

Average Concentrations of Organic Acids in Ethanol Extracts from Filter^{^a}^{^b}

Retention Time (min.)	Fatty Acids in Butyl Ester Form	Calibration Curve (r²)	Standard Check Used (ppm)	Standard Check Results (ppm)	LOD (ppm)	LOQ (ppm)	Concentrations of Acids From Ethanol Extracts (ppm)
8.241	Ethanedioic acid, dibutyl ester (Oxalic)	0.9961	0.100	0.105	0.001	0.010	0.161
9.463	Propanedioic acid, dibutyl ester (Malonic)	0.9993	0.250	0.274	0.001	0.010	0.103
10.496	Dodecanoic acid, butyl ester (Lauric)	0.9988	0.250	0.271	0.010	0.025	0.234
10.653	Butanedioic acid, butyl ester (Succinic)	0.9999	0.100	0.112	0.001	0.010	0.166
12.442	Tetradecanoic acid, butyl ester (Myristate)	0.9998	0.250	0.263	0.010	0.025	0.085
14.376	Hexadecanoic acid, butyl ester (Palmitic)	0.9985	0.500	0.550	0.001	0.010	0.612
16.851	Octadecanoic acid, butyl ester (Stearic)	0.9925	0.100	0.101	0.001	0.050	1.23
18.620	1,4-Benzendicarboxylic acid, bis(2-methylpropyl) ester	0.9976	0.750	0.777	0.010	0.025	2.24

↵a The peak at 10.229 min in Figure 3 was not an ester but 1-Dodecanol.
↵b The peak at 14.026 min in Figure 3 was the added standard, palmitic acid-d₃₁.