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固相微萃取PK2 SPME PORTABLE FIELD SAMPLER W/65UM PDMS-DVB ST
ANCHOR STIRRERS FOR REACTION VESSELS WITH GROUND AND POLISHED SHAFT WITH PIVOT 450x10 MM ST 19/26 KF/LF -/60
WITOPET MINI PIPETTE, FIX 10 μL
带聚四氟乙烯塞子的超微量样品池
TEST TUBES, BORO. SCREW THREAD, W. CAP AND SEAL, ALL PARTS STERILIZABLE, MARKING SPOT HEAVY WALL,
砷(As)标准溶液
Brand产品代送上海计量院计量校准服务,玻璃容量瓶,1000 ml
LiChroCART 125-4,LiChrosorb 100 Si 5μm定制柱
胖度吸管1
气相色谱柱,TG-5HT 30m x 0.25mm x 0.25μm