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First Standard® 二氯甲烷中4种亚硝胺混标溶液(HJ 809-2016),2000μg/mL
4 Nitrosamines Mix Solution in Dichloromethane(HJ 809-2016), 2000μg/mLFirst Standard®天津
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Glass Expansion 20-809-2643 ( Agilent货号:G1820-65337)石英雾化室,用于Agilent 7500 ICP-MS 的标准雾化室
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德国WTW氟离子电极F 800DIN
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Thermo Scientific™ 150782 Traceable™ Wide-Range Thermometer
-
Cole-Parmer elements Low-Form Beaker, Glass, 25 mL, 12/pk
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pH缓冲液标准DIN 19266值(pH 6.865)
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pH缓冲液标准DIN 19266值(pH 4.005)
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硅胶薄层层析板 含荧光指示剂 25 Glass plates 20 x 10 cm for AMD acc. to DIN 38407-F11
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4种亚硝胺混标 HJ809-2016标准品 BW30818DD-1mL
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Thermo Scientific™ 150782B Type-K Digital Thermometer Probes, Type-K Beaded Probe
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