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HYPERSIL C18-BDS 5UM 5CM X 4.6MM HPLC CO LUMN
硫化环戊烷
DENSITY-HYDROMETERS, TYPE 20°C,WITH THERMOMETER, RANGE 1,900-2,000:0,001 G/CM3, 0+35°C:1,0°C LEN
丙酮中烯草酮
LiChroCART 55-2,Nucleosil 100 NH2 5μm定制柱
钾(K)ICP-MS标准溶液 100 mg/L ± 2% 溶于 1% HNO3
4ML 透明13-425 样品瓶 KIM SHIELD
4'-羟基查耳酮
BOTTLE FOR VACUUM FILTRATION EQUIPMENT FUNNEL CONTENT: 60 ML, FLASKS CONTENT: 250 ML, FILTER DIA.
DM-FAMEWAX 30m x 0.53mm x 0.5μm