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832卡氏炉用铝盖 (含垫子),100/包
果蔬汁中敌敌畏、哒螨灵、狄氏剂、嘧霉胺、甲胺磷、氯氰菊酯质控样
PROD,COL,IP,AG12A 阴离子色谱保护柱
甲醇中甲砜霉素溶液标准物质
双[(-)蒎烷二醇]二硼酯
铂金埃尔默(PerkinElmer) 1.2mL 进样杯
Extraction thimbles, I-?:30 mm, length:80mm, cellulose Case = 25 pcs.
Hibar 125-4,6,LiChrosorb NH2 5μm定制柱
REACTION VESSELS, FLAT FLANGE WITH GROOVE, GRADUATED, WITH 2 SCREW THREADS GL 18, FLAT BOTTOM, DN 60, 750 ML, OUTER ? 105, INNER ? 80, HEIGHT 220 MM, BOROSILICATE GLASS
HYPERSIL GREEN ENV 5UM 250X4.6MM COLUMN