… of nitriles is RC º N in which R is an alkyl or aryl radical or sometimes nitrogen. Mono-, di-, or tri-nitriles contain one, two or three cyanogen radicals (–CN) per molecule, respectively. The heading …
… 73.04 to 73.07 apply, mutatis mutandis , to this heading. Because of their resistance to corrosion (by acids, steam, … of nickel or of nickel alloys are used in apparatus for the chemical, food, papermaking industries, etc., in the …
… Vegetables covered by this heading are generally packed in casks or barrels, and are mainly used as raw materials for … purposes; the principal varieties are onions, olives, capers, cucumbers, gherkins, mushrooms, truffles and …
… corrodes the skin when concentrated. It is transported in carboys. Hydrogen peroxide is very unstable in an alkaline … medicine (as an antiseptic and haemostat). Presented as a medicament in measured doses or in forms or packings for …
… sulphur dioxide. They are reducing agents employed in the chemical, textile or sugar industries, mainly for bleaching. … also be stabilised with acetone. Dithionites of potassium, calcium, magnesium and zinc , which may be stabilised by …