逗点生物Copure NH2 SPE 1000mg/12mL氨丙基固相萃取柱20支/盒
逗点生物Copure SCX SPE 苯磺酸型强阳离子交换固相萃取柱
逗点生物Copure MCX SPE 500mg/6mL混合型强阳离子交换柱30支/盒
逗点生物Copure固相萃取柱SPE小柱色谱柱农残兽残检测柱C18A SPE
逗点生物Copure固相萃取
逗点生物Copure C8/SAX SPE 2000mg/12mL 20支/盒
逗点生物Copure C18A SPE 亲水型十八烷基固相萃取柱100mg/1mL
逗点生物Copure HLB SPE 150mg/6mL亲水亲脂平衡萃取柱30支/盒
逗点生物Copure WAX SPE 弱阴离子交换固相萃取柱,200mg/3mL
逗点生物Copure HLB SPE 100mg/1mL 100支/盒
逗点生物Copure 草甘膦专用柱SPE固相萃取小柱