Nitrogen by Dumas method

A combustion tube of heat-resistant glass having a constriction at one end (length without the constricted part 55 cm., external diameter 12 mm., length of the constricted part 3 cm., external diameter 3-3-5 mm., internal diameter 2 mm.). [Pg.47]

A one-holed rubber stopper. This stopper should be as nearly cylindrical as possible, should fit the wider opening of the tube, and must sit close to the wall of the tube. [Pg.47]

Two asbestos plates and a roll of iron-wire gauze (length 5 cm. . [Pg.47]

Kipp apparatus, electric combustion furnace,2 4 nitrometer, nickel dish, sieve of wire gauze, weighing bottle, and mixing tube are supplied by the laboratory. [Pg.47]

1 Details of the technique of weighing will be found in the Introduction by F. [Pg.47]

Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...