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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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1000 ppm总有机碳标准液 acc. to EN 1484-H3/DIN 38409-H3 as potassium hydrogen phthalate in water, stabilized 1000 mg/l CertiPUR®
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Thermo Scientific™ SureOne™ 10uL Ultra Micropoint Pipette Tip, Universal Fit
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Pipette Brush, 1 1/2" Tip, 4" Body" X 1/8"-3/4", 12/pk
科尔帕默中国 材料Nylon颜色White直径 (in)0.75描述Pipette Brush, 1 1/2" Tip, 4" Body" X 1/8"-3/4", 12/pk
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Thermo Scientific™ 3732-RIPK SoftFit-L™ Pipette Tip Reload™ System
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Thermo Scientific™ 3732-RI SoftFit-L™ Pipette Tip Reload™ System
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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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三磷酸五钠 for BOD determination acc. to DIN 38409-H-51
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三磷酸五钠 for BOD determination acc. to DIN 38409-H-51
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4-氯酚 for AOX determination acc. to DIN 38409-H 14
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