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CNW Poly-Sery PSD 聚苯乙烯二乙烯苯 SPE 玻璃小柱
二氯二苯基硅烷
PTFE 圆柱形磁力搅拌子 35*6mm
22种邻苯二甲酸酯混标
AA Grade Tungsten, 50 mL 1,000 mg/L in 2% HNO3 + 1% HF
LABORATORY BOTTLES 250 ML, YELLOW GRADUATED IN A COLOR CODE SYSTEM, BOROSILICAT GLASS 3.3, ISO 479
水相过滤膜
4-甲基-1-萘硼酸
CHROMATOGRAPHIC-COLUMNS, ST-STOPCOCK W. SOLID PLUG, FUSED-IN SINTERED GL. DISC P0, 20 X 400 MM, 1
内衬管,AgilentGC , 4.0 x 6.3 x 78.5