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鸡肉中磺胺甲基异恶唑、磺胺二甲基嘧啶、磺胺喹恶啉质控样
HyperSep SAX SPE Column, 500mg/3mL 50个/包装
STIRRERS WITH LATERAL PTFE STIRRER BLADE, WITH GROUND AND POLISHED SHAFT, WITH GL 10 450x10 MM, BLATT 90 MM, ST 29/32
2-甲基-1-(4-甲硫基苯基)-2-吗啉基-1-丙酮
LiChroCART 250-3,Nucleosil CN 5μm定制柱
(定制产品)7种元素ICP-MS混标,As/Ag/Cr/Ge/Re/Sb/W,溶于10% HNO3 + 2% HF
铅标准溶液(铅1000)
一氯三苯基锡 标准品
SPB-20 气相毛细管柱
4-(2-氨乙基)苯磺酰胺