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Ammonium Nitrate (NH4NO3) 99.999%(有证书)
Fosamine Ammonium
Venlafaxine hydrochloride
双苯氟脲溶液,1000ppm
GBW(E)100487 苯丁锡 CAS号41570-61-0
右旋丙烯菊酯 标准品
CNET 13 aldehydes mix solution, 10μg/ml (as formaldehyde, acetone, acetoaldehyde, acrolein, methacro
2-Hydroxy-3',4'-dichlorobiphenyl 标准品
PCBs7组份-28,52,101,118,138,153,180(溶剂:环己烷)
P.O.E. (10) Dodecyl phenol(无证书)