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盐酸标准液配制在异丙醇溶液 acc. to DIN 51558 part 1 c(HCl) = 0.1 mol/l (0,1 N) TitriPUR®
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高效薄层层析板 25 Glass plates 20 x 10 cm for PAH determination acc. to DIN 38409-H13
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硫酸硫酸银溶液 in sulfuric acid (D=1.84 g/ml) for COD determination acc. to DIN 38409-H 43-1
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Polyethylene glycol monooleyl ether | 聚氧乙烯月桂醚 | MedChemExpress (MCE)
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0.1 N氢氧化钾溶于异丙醇标准溶液 acc. to DIN 51558 part 1 c(KOH)=0.1 mol/l (0,1 N) TitriPUR®
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硫酸硫酸汞溶液 in diluted sulfuric acid for determination of COD acc. to DIN 38409-H 43-1 (short-term experience)
Mercury(II) sulfate solution 200 g/l in diluted sulfuric acid for determination of COD acc. to DIN
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硅胶薄层层析板 含荧光指示剂 25 Glass plates 20 x 10 cm for AMD acc. to DIN 38407-F11
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polyethylene glycol | 3386-18-3 | 乐研
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Polyethylene Glycol Mono-4-octylphenyl Ether | 曲拉通X-100 | MedChemExpress (MCE)
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Polyethylene glycol trimethylnonyl ether | 聚乙二醇三甲基壬基醚 | MedChemExpress (MCE)
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