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厚壁烧杯,500ml
气相填充柱
乙烯-醋酸乙烯共聚物
DROPPING FUNNELS, CYL., GRAD., 1000:20 ML, PRESSURE EQUAL., NEEDLE VALVE STOPCOCK, W. PTFE NEEDLE
FLASK, PEAR SHAPED, 50 ML, ST 19/26
碲(Te)AAS标准溶液,1000mg/L溶于20% HCl
trans-Nonachlor,100ng/ul 标准品
3-甲基-5-(三氟甲基)吡唑
Hibar 250-4,6,LiChrosorb RP-18 10μm定制柱
具塞层析柱60X400