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黑色 酚醛树脂 13-425 瓶盖 含
LiChroCART 250-2,Superspher 60 RP-8e 4 μm定制柱
气相色谱柱,TG-5SILMS 30m x 0.53mm x 1.50μm
DENSITY-HYDROMETERS, TYPE 20°C,WITH THERMOMETER, RANGE 1,900-2,000:0,001 G/CM3, 0+35°C:1,0°C LEN
填充柱 20% DNP+7% 吐温-80 on Chromosorb WAW 80/100
CAPCELL PAK C18 MGⅢ (S-5) 2.0X35
2-丙醇-d8
CAPILLARY TUBES, DURAN, 5 X 1500 MM
普拉洛芬
PUF膜