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铊 标液标准品
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铅标准溶液,7439-92-1,1.00μg/g,in :K+ 2.2mg/L,Na+ 23mg/L,Ca2+ 39mg/L,Mg2+11mg/L,0.5mol/L HNO3
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环氧氯丙烷标准溶液,106-89-8,1000mg/L,溶剂:二氯甲烷
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水质铅标样,7439-92-1,20-500 ug/L, in 1% HNO3
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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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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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水质氨(水剂)标样
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五日生化需氧量(耗氧量)(BOD5)成分分析标准物质,1000mg/L in water
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NCSZ-NA-2020(2) 标样/水质Na钠质控样100μg/L
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