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甲醇中奥硝唑溶液标准物质
高效氯氟氰菊酯
o-Methoxybenzamide
DURAN Round bottom flask, narrow neck, without print, 1000 ml
SH-Rxi Guard Column, 10m, 0.32mm ID
CRUCIBLE TONGS, MADE OF STAINLESS WIRE, DOUBLE BENT, LENGTH 220 MM
HYPERSIL GOLD 3UM 30X4.6MM COLUMN
WakoPak Wakosil-II ? 3C18 RS色谱柱的填料
石墨垫;(85% polyimide/15% graphite) 1/4IN PK10
吸附管, 60-80目Carbosieve SIII, 用于ACEM9300热解析仪