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磁力搅拌子拾取棒,150x 8 mm,PTFE
2,5-二氟苯胺
GC (2mm) glass electrode tip
BOTTLES WIDE MOUTHED, WITH DIN-SCREW THREAD W. SCREW CAP, 500 ML, AMBER-GLASS
(定制产品)5种元素ICP-MS混标,K/Ca/Na/Mg/Fe,1000mg/L溶于5% HNO3
窄口包装瓶,聚丙烯,60ml容量
容量瓶,BLAUBRAND , A级,100 ml,Boro 3.3, 凸缘瓶口
SPME便携式萃取头,75 μm Carboxen/polydimethylsiloxane
ISO Guide 34 - Thallium 1,000 mg/L in 2% HNO3 250 ml (Tl Metal)
磁力搅拌子,PTFE,25x 8 mm,三角柱形,带中心环