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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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Thermo Scientific™ CERT4010-91 10mm Certified Clear Screw Thread Kit, 2mL clear
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Thermo Scientific™ B7800-1-9 Screw Vial Convenience Kit, 2mL clear glass vial, solid top PTFE-lined cap
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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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Thermo Scientific™ 60180-VTMSC72LV Virtuoso™ 9mm MS Certified Amber Glass Screw Thread Vial Kits
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硅胶薄层层析板 含荧光指示剂 亲水性处理 25 Glass plates 20 x 10 cm for AMD acc. to DIN 38407-F11
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Thermo Scientific™ Virtuoso™ 9mm MS Certified Amber Glass Screw Thread Vial Kits
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Thermo Scientific™ 10mm Certified Clear Screw Thread Kit, 2mL clear glass vials, with bonded PTFE/silicone closures
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1000 ppm总有机碳标准液 acc. to EN 1484-H3/DIN 38409-H3 as potassium hydrogen phthalate in water, stabilized 1000 mg/l CertiPUR®
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