Normas ISO

Aluminium oxide primarily used for the production of aluminium -- Determination of vanadium content -- N-Benzoyl-N-phenylhydroxylamine photometric method

Aluminium oxide primarily used for the production of aluminium -- Determination of sodium content -- Flame emission spectrophotometric method

Vacuum technology -- Flange dimensions

Vapour vacuum pumps -- Measurement of performance characteristics-- Part 2: Measurement of critical backing pressure

Vapour vacuum pumps -- Measurement of performance characteristics-- Part 1: Measurement of volume rate of flow (pumping speed)

Positive-displacement vacuum pumps -- Measurement of performance characteristics-- Part 2: Measurement of ultimate pressure