Dictionary of chemical formulas — This is a list of chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element. Table … Wikipedia
Dioxane tetraketone — IUPAC name 1,4 Dioxane 2,3,5,6 tetrone … Wikipedia
Acetic oxalic anhydride — Identifiers CAS number 19037 85 5 … Wikipedia
Platinum prints — Platinum prints, also called platinotypes , are photographic prints made by a monochrome printing process that provides the greatest tonal range of any printing method using chemical development.Unlike the silver print process, platinum lies on… … Wikipedia
Photographic developer — In the processing of photographic films, plates or papers, the photographic developer (or just developer) is a chemical that makes the latent image on the film or print visible. It does this by reducing the silver halides that have been exposed… … Wikipedia
Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… … Wikipedia
carboxylic acid — Chem. any organic acid containing one or more carboxyl groups. [1900 05; CARBOXYL + IC] * * * Any organic compound with the general chemical formula ―COOH in which a carbon (C) atom is bonded to an oxygen (O) atom by a double bond to make a… … Universalium
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
Mercury(I) chloride — Mercury(I) chloride … Wikipedia
Mariano Eduardo de Rivero y Ustariz — Mariano E. de Rivero y Ustariz, prominent Peruvian scientific. Mariano Eduardo de Rivero y Ustariz (October 22, 1798] – November 6, 1857) was a prominent Peruvian scientist, geologist, mineralogist, chemist, archaeologist, politician and diplomat … Wikipedia
