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Cole-Parmer Carbon Dioxide Electrode Filling Solution, 16oz
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醋酸 for 500 ml, c(CH3COOH) = 1 mol/l (1 N) Titrisol®
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硝酸 10 mol/l TitriPUR®
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NCSZ-TWH-0.05mol/L 标样/水质TWH总硬度质控样/0.05mol/L
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化合物 Mol4 T69168
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化合物 Mol1 T69471
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安捷伦 12102042C500 Bond Elut Carbon 和 Carbon/NH2
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conductivity, traceable to PTB and NIST (c=0.0001 mol/l) CertiPUR®
Potassium chloride solution (nominal 0.015 mS/cm) certified reference material for the measurement
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聚乙烯醇1797型,9002-89-5,醇解度:96.0~98.0%(mol/mol)
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Sodium phosphate buffer (pH 6.9 0.02 mol/l) | MedChemExpress (MCE)
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