[¦tü ¦tü‚prīm dī′pir·ə·dəl]
(organic chemistry)
C10H8N2 A crystalline substance soluble in organic solvents; melting point is 69.7°C; used as a reagent for the determination of iron. Also known as 2,2′-bipyridine.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Composition Content Copper sulfate (CuS[O.sub.4]-5[H.sub.2]O) 10g/L Ethylenediaminetetraacetic acid disodium salt 30 g/L (EDTA-2Na) Formaldehyde (HCHO, 37%) 3 ml/L 2,2'-Dipyridyl 15 mg/L Poly(ethylene glycol) (PEG 1000) 0.5 g/L Table 2: The element contents of PI surface before and after surface modification with 1.0 g/L Ti[O.sub.2] dispersed solution under different UV power.
To create iron-limited culture condition the bacterial cultures were grown in BHI broth containing the iron-chelating agent 2,2'-dipyridyl (Sigma Aldrich, USA).
A premix solution was prepared by diluting butadiene monomer in hexanes to a 23.5% (w/w) solution and passing over a bed of silica gel until the level of impurities as titrated by n-butyllithium (using 2,2'-dipyridyl indicator, ethanol 99+%) was less than 2 ppm.