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7种元素ICP-MS质控混标,K/Si/Al/Ba/B/Na/Ag,溶于5% HNO3
OXFORD SL TIPS 5:200 μl (1.000 pcs)
样品瓶 0.5ML NAT 8-425 聚丙烯 12X32
过滤装置-115ml容量,聚苯乙烯外壳
坩埚钳
GAS WASHING BOTTLES, DRECHSEL, WITH SECURITY SINTERED DISC, ACC. TO DIN 12596, 500 ML, ST 29/32
食品级二氧化钛
ADSORB.TUBE COMPL.FOR 681/703/803
Bond Elut NH2小柱,100mg, 1ml,40um
水质标样-钴