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4-戊烯-2-醇
4-Hydroxy duloxetine glucuronide 标准品
Captafol,10ng/ul 标准品
AIR LEAK TUBES, BUILT-IN LENGTH 200 MM, CONE ST 24/29
1,2-二硬脂酰基-sn-丙三基-3-磷脂酰乙醇胺(DSPE)
中药材基质中α -六六六质控样
(定制产品)5种元素ICP-MS混标,As/Se/Sb/Bi/Hg,100mg/L溶于2% HNO3 + Tr HF
聚乙烯硫酸钾
FLUOPHASE WP300 5UM 100X1MM COLUMN
Simultan separating chamber, for TLC-plates 200 x 200 mm, with ground rim and ground flat glass lid, with vertical grooves in the transverse wall to hold 5 TLC plates, complete, Borosi