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硫酸 40% for determination of gas metabolism acc. to Knipping
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Cole-Parmer VapLock™ Solvent Waste Manifold, PTFE, GL45, 1x1/2" NPT, 3x1/4" NPT; 1/EA
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高效薄层层析板 25 Glass plates 20 x 10 cm for PAH determination acc. to DIN 38409-H13
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Cole-Parmer VapLock™ Solvent Waste Kit, PTFE, DIN 45, 1x1/2" NPT, 3x1/4" NPT, 6x1/4"-28 UNF; 1/EA
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Cole-Parmer VapLock™ Solvent Waste Kit, PP, DIN 45, 1x1/2" NPT, 3x1/4" NPT, 6x1/4"-28 UNF; 1/EA
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NP-40 替代物,9016-45-9,试剂级
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Dynalon Chemical Bottle Pourer, PTFE, 45-mm cap size
科尔帕默中国 材料PTFE盖子材质聚四氟乙烯 (PTFE)盖子/塞子尺寸GL45盖子颜色蓝色描述Chemical Bottle Pourer, PTFE, 45-mm cap size
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氙灯光源用于LS30/40/45/50/50B/55
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硫酸硫酸银溶液 in sulfuric acid (D=1.84 g/ml) for COD determination acc. to DIN 38409-H 43-1
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JK 45 粉煤灰
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