-
硝酸根离子选择性电极溶液
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氨氮标准溶液,100mg/L(as N ) in H2O
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水质总有机碳标样,10.1-120mg/L in H2O
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PClO4-1-01型高氯酸根离子电极
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硝酸根离子(NO3-)标准溶液
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砷酸根标准溶液,analytical standard,0.233umol/g in H2O
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铂 AAS 标准液 1,000 mg/l traceable to SRM from NIST H₂PtCl₆ in HCl 2 mol/l 1000mg/l Pt CertiPUR®
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铂 AAS 标准液 1,000 mg/l traceable to SRM from NIST H₂PtCl₆ in HCl 2 mol/l 1000mg/l Pt CertiPUR®
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TVOC标液/苯标液/白酒混标及单标/农残标样
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草酸根离子标准溶液,1000ppm in water
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