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13种醛酮-DNPH混标(HJ 683-2014/HJ 759-2015)Custom Mixed DNPH Derivatives Standard (13 Analytes) 30ug/mL in Acetonitrile (as the aldehyde or ketone) 1mL
Sulfasalazine
微量储存管(PP材质),带旋盖(PP材质),1.5 ml,自立式
LiChroCART 250-3,Nucleosil 300 C18 5μm定制柱
STOPCOCKS, 12 PCS.
PRECISION LABORATORY THERMOMETER -10+250°C DIVISION °C 1,LENGTH 350 MM DIFFICO GRADUATION, FOR O
黄铜变径两通, 1/4英寸外径 - 1/8英寸外径 (2个/包)
SPLASH HEADS, STRAIGHT, CONE ST 29/32, SOCKET ST 29/32
生长抑素 28