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Tris(hydroxymethyl)nitromethane (无证书)
DL-雌二醇(13,14,15,16,17,18-13C6, 99%)
1.2:6.7-Dibenzpyrene
Beryllium-Copper (17300)
1,4-二溴苯 标准品
密度 0.8126g/ml @ 20°C 标准品
Tetraethylammonium hydroxide (无证书)
Dimethachlor ESA sodium salt
α-六六六
1% NH4 H2PO4 in 0.05% HNO3