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氰戊菊酯标准溶液,51630-58-1,analytical standard,10ug/ml in petroleum ether
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Thermo Scientific™ 1464844 Traceable™ Digital Thermometers with Stainless-Steel Stem and 0.25 in. LCD Screen
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农药标准品 2 EPA 500 系列标准品
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Soil/HWVOAsQC挥发性有机物标准品
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绿麦隆标准溶液,15545-48-9,analytical standard,100ug/ml in petroleum ether
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绿麦隆标准溶液,15545-48-9,analytical standard,10ug/ml in petroleum ether
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waters 沃特世 农药、兽药标准物质/标准品 食品与饮料标准品 186007574
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纳谱分析SelectCore AFT Total黄曲霉毒素专用SPE柱
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苯甲酸标准溶液,65-85-0,analytical standard,1.00mg/ml in petroleum ether
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水质总氮标准,浓度范围:1.21-3.58(mg/L),分析标准品
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