Simultaneous Determination of Salicylic Acid, Jasmonic Acid, Methyl Salicylate, and Methyl Jasmonate from Ulmus pumila Leaves by GC-MS

Table 5

Intra- and interday precision for the four compounds ().

Compounds	Concentration	Intraday precision	Interday precision
	(μg/mL)	(RSD, %)	(RSD, %)
Salicylic acid	0.24	4.42	4.02
	1.20	3.83	2.47
	6.00	2.25	2.15
Jasmonic acid	0.22	2.47	1.75
	1.10	2.71	1.44
	5.50	1.96	1.33
Methyl salicylate	0.14	1.63	2.26
	0.70	1.88	1.64
	3.50	1.14	0.37
Methyl jasmonate	0.12	1.28	2.35
	0.60	1.79	1.17
	3.00	1.94	1.68