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2,3,3’,5,6-五氯联苯(PCB 112) 标准品
4-氨基偶氮苯溶液,100ppm
乐果 标准品
m-Tolualdehyde Solution 1000ug/ml in Acetonitrile
Solvent Red 24 标准品
8-Aminoquinoline (无证书)
Aroclor 1248,1000ug/ml于异辛烷 标准品
2-Amino-5-nitro-2'-chlorobenzophenone
Ultraviolet-Visible-Near-Infrared Transmission Wavelength/Vacuum Wavenumber Standard
己烯雌酚 标准品