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2-氯喹啉
气相色谱柱,TG-1701MS 15m x 0.53mm x 1μm
Bond Elut MCX SPE小柱
2/10 MXII Nano Switching Valve, DuraLife
塑料中重金属标准样品E待测目标物Pb/Cd/Hg/Cr,材质PET,浓度范围(0.005-0.02)%,定值方法IEC62321
异戊酰L-肉碱-D9盐酸盐
PTFE Stirrer Shaft, Retreat Curve,Shaft 10, L 500mm, Rotor ? 50, Blade Ht 10
铁架底座带支杆(铸铁)
Cyclopentakis(1,4-butylene Terephthalate)