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磺胺甲嘧啶-苯基-13C6
δ-六六六 标准品
New York NYSDEC Stars VOA (repkg) 2000ug/ml in Methanol
丙酮中灭多威溶液标准物质
0.1% Mg(NO3)2 in 1% HNO3
GB19648(GB23200.8)农药 BePure-30839-1LA
Benzo(b)fluoranthene solution i 100ug/ml in Methanol
氨基糖苷混标mix-10
Lutetium - Lu2O3, 99.99%, 2% HNO3
甲醇中胺丙畏
