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多环芳烃混标PAH-Mix9-(US EPA 16),200ug/ml each component in Acetonitrile, analytical standard
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碘分析滴定液,7553-56-2,Analytical Volumetric Solution,0.0250M
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邻二甲苯标准溶液,95-47-6,analytical standard,1.00mg/ml in methanol
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碘分析滴定液,7553-56-2,Analytical Volumetric Solution,0.05M
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Glass Expansion A13-1-UM02X玻璃雾化器,适用于安捷伦ICP-MS
) 进样口接头,EzyFit,适用于 ICP-MS 的 MicroMist 同心雾化器 EzyFit with 1/16 OD X 0.25mm ID x
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间二甲苯标准溶液,108-38-3,analytical standard,1000ug/ml in methanol
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碘分析滴定液,7553-56-2,Analytical Volumetric Solution,0.005M
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碘分析滴定液,7553-56-2,Analytical Volumetric Solution,0.5M
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总氮标准溶液,analytical standard,1000μg/ml in water
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(Zr,Hf,W,Mo,Ta,Nb,Ti)多元素混合标准溶液,analytical standard ,100ug/ml in 1.0mol/L HF and 1.0mol/L HNO3
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