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Argos Technologies HandE-Vac Plastic E-Pette Disposable Aspirating Pipettes, 12" Length, 5 mL Volume; 500/cs
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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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样品瓶 Vial N20-10, CR, c, 22.5x46,fl, DIN(DANI 10mL顶空瓶-平口平底 MN702918
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样品瓶 Vial N20-20, CR, c,22.5x75.5,fl DIN 20mL透明顶空瓶-平口平底 MN702261
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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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; directly traceable to primary reference material from NIST/PTB pH(S)=1.68₁ (25°C) (DIN 19266) CertiPUR®
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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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; directly traceable to primary SRM from NIST/PTB pH(S)=9.18₄ (25°C) (DIN 19266) CertiPUR®
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; directly traceable to primary SRM from NIST/PTB pH(S)= 3.63₉ (25°C) (DIN 19266) CertiPUR®
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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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