naphthol yellow S n.
An acid dye used as a stain for basic proteins in microspectrophotometry.
[naf-thil, nap-] /ˈnæf θɪl, ˈnæp-/ adjective, Chemistry. 1. containing the . /ˈnæfθaɪl; -θɪl; ˈnæp-/ noun 1. (modifier) of, consisting of, or containing either of two forms of the monovalent group C10H7–
noun, Chemistry. 1. Also called alpha-naphthyl group, alpha-naphthyl radical. the univalent group C 1 0 H 7 –, having a replaceable hydrogen atom in the first, or alpha, position; 1-naphthyl group. 2. Also called beta-naphthyl group, beta-naphthyl radical. the univalent group C 1 0 H 7 –, having a replaceable hydrogen atom in the second, […]
a Hamitic tribe descended from Mizraim (Gen. 10:13). Others identify this word with Napata, the name of the city and territory on the southern frontier of Mizraim, the modern Meroe, at the great bend of the Nile at Soudan. This city was the royal residence, it is said, of Queen Candace (Acts 8:27). Here there […]
National Association of Professional Insurance Agents