A Fluorescence-Based Method for Rapid and Direct Determination of Polybrominated Diphenyl Ethers in Water

Table 1

The excitation and emission peak positions (, nm) of six single congeners of PBDEs at variable emission wavelengths ( = 380, 405, and 440 nm) and excitation wavelengths ( = 289, 302, 320, and 340 nm).

PBDEs	Excitation spectra			Emission spectra
	(, 380 nm)	(, 405 nm)	(, 440 nm)	(, 289 nm)	(, 302 nm)	(, 320 nm)	(, 340 nm)
BDE 28	300, 380	302, 405	302, 440	403, 289	409, 302	412, 320	436, 340
BDE 47	300, 380	300, 405	302, 440	408, 289	407, 302	406, 320	434, 340
BDE 99	289, 380	289, 405	289, 440	412, 289	413, 302	412, 320	423, 340
BDE 153	289, 380	289, 405	289, 440	419, 289	420, 302	427, 320	429, 340
BDE 190	302, 380	314, 405	323, 440	425, 289	418, 302	422, 320	445, 340
BDE 209	302, 380	305, 405	337, 440	412, 289	408, 302	429, 320	445, 340