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塑料中六溴环十二烷空白样品B待测目标物HBCDD
BETABASIC CN 5UM 200X4.6MM COLUMN
甲醇
2-Phenoxyethanol
BOTTLES,SPECIMEN, WITH TIGHTLY CLOSING LID, TRANSPARENT, PE, 8 ML, OD.20 MM, HEIGTH 37 MM
(S)-(-)-α,α-二苯基-2-吡咯烷甲醇三甲基硅基醚
REACTION VESSELS, FLAT FLANGE, 100 ML, FLANGE DN 60 WITH GROOVE, DURAN
Tip-Set yellow, 2 - 200 μl, non-sterile, 480 pieces
15X45 套装 样品瓶 瓶盖
(S,S) WHELK-O1 手性色谱柱