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4-氯酚 for AOX determination acc. to DIN 38409-H 14
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硝酸铵溶液 1 mol/l acc. to DIN 19730
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硫酸 96% for the determination of viscosity acc. to DIN EN ISO 307
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硫酸 96% for the determination of viscosity acc. to DIN EN ISO 307
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三磷酸五钠 for BOD determination acc. to DIN 38409-H-51
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三磷酸五钠 for BOD determination acc. to DIN 38409-H-51
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Scienceware 20309-1680 Thermometer Adapter of PTFE, size 14/20
科尔帕默中国 锥形规格14/20端口尺寸(内径) (mm)6 to 7材料PTFE描述Thermometer Adapter of PTFE, size 14/20
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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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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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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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