10 PBDE polybrominated diphenyl ether mixed standards S-15497-10X

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PBB (polybrominated diphenyl ether) and PBDE (polybrominated diphenyl ether) each have 209 isomers, for a total of 518 isomers. However, the characteristic ions, retention times, and ratios between characteristic ions (all decomposed into benzene rings and individual bromide ions by the ion source) of different isomers are basically the same in GC-MS analysisSo as long as the relevant parameters of one isomer are obtained, the parameters of other isomers are also basically the same Therefore, the cheapest isomer can be selected to detect all isomers with the same number of bromine atoms