UHPLC/MS-MS Analysis of Six Neonicotinoids in Honey by Modified QuEChERS: Method Development, Validation, and Uncertainty Measurement

Table 1

UHPLC-MS/MS fragmentation of studied neonicotinoids.

MW	Pesticide	Precursor ion; (𝑚/𝑧)	Product ions (𝑚/𝑧)	Collision energy (eV)
			90.3	31
222	Acetamiprid	223.0	99.2	34
			126.2	19
			113.2	25
249	Clothianidin	250.0	132.1	16
			169.2	12
			90.3	36
252	Thiacloprid	253.0	99.2	37
			126.2	21
255	Imidacloprid	256.0	175.2	17
			209.1	14
			126.2	27
270	Nitenpyram	271.1	225.2	9
			237.2	21
			181.2	20
291	Thiamethoxam	292.0	210.2	7
			211.2	10