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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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氯苯嘧啶醇标准溶液,60168-88-9,analytical standard,100ug/ml in methanol
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p, p’-DDE标准溶液,72-55-9,analytical standard,100ug/ml in methanol
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钴粉,7440-48-4,99.5% metals basis,1-2μm
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γ-六六六标准溶液,58-89-9,analytical standard,100ug/ml in petroleum ether
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邻苯二酚标准溶液,120-80-9,analytical standard,1000ug/ml in methanol
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亚硝酸钴钾,13782-01-9,AR
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残杀威标准溶液,114-26-1,analytical standard,100ug/ml in acetone
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p, p’-DDE标准溶液,72-55-9,analytical standard,100ug/ml in petroleum ether
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钴 ICP 标准液 traceable to SRM from NIST Co(NO₃)₂ in HNO₃ 2-3% 10000 mg/l Co CertiPUR®
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