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气相色谱柱,TG-225MS 60m x 0.53mm x 0.50μm
塑料中PAH空白样品A待测目标物苊/蒽/芘
三氯化铁,六水(氯化高铁)(阴凉) AR(沪试)
200UL FB MICRO-SERTS
Sepherisorb阳离子交换卡套柱(S5 SCX)
SCREWTHREAD TUBE FOR GLASS BLOWERS,DURAN
GRAHAM-CONDENSERS, ACC. TO DIN 12592, CONE AND SOCKET ST 19/26, 2x GL 14, JACKET LENGTH 250 MM, PACK = 2 PCS
不锈钢阉割刀4号手术刀柄
Bond Elut PBA SPE小柱
滴定仪必备包-2 (10ml交换单元)