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5种元素ICP-MS混标,溶于5% HNO3 (GBT 5750-6)
4ML 螺口瓶口 认证产品 棕色样品瓶 套装
1-萘酚, AR,99.0%
LABORATORY CLIPS, MADE OF PLASTIC, DELRIN, CLEAR BLUE, CLIPS D. 25 MM
UNIGUARD HPLC COLUMN PROTECTION SYSTEM
6-氯鸟嘌呤核苷
SUPPORT ROD 30 CM
Hibar 100-4,6,LiChrosorb 100 Si 7μm定制柱
OECD培养基, 浓缩液Ⅰ(×100)
PK54 DISCOVERY DSC-SCX 3ML TUBE 500MG