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4-碘-3-硝基苯甲醚
2种农药混标
马来酸标准品
ANCHOR STIRRERS FOR REACTION VESSELS WITH GROUND AND POLISHED SHAFT WITH GL 10 390x10 MM ST 19/26 KF/LF -/60
钙(Ca)AAS标准溶液,1000mg/L溶于1% HNO3
L-抗坏血酸棕榈酸酯
容量瓶,BLAUBRAND , A级,200 ml,Boro 3.3, NS 14/23 玻璃瓶塞,同一批次
BURETTES, DIN-B,10 ML:0,02 LATERAL NEEDLE VALVE STOPC. PTFE NEEDLE-VALVE, CLEAR-GLASS
银色复合膜手套(8寸)(防超过280种化学物质,有限次数使用)
SiliaPrepTM Adapter for 1, 3, and 6 mL SPE (12/box)