Normas ISO

Information processing -- Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 7 958 ftprad, 3,8 tpmm (96 tpi), on both sides-- Part 2: Track format A

Fruits, vegetables and derived products -- Determination of zinc content-- Part 1: Polarographic method

Aluminium ores -- Determination of aluminium content -- EDTA titrimetric method

Surface active agents -- Evaluation of certain effects of laundering -- Methods of preparation and use of unsoiled cotton control cloth

Aluminium ores -- Determination of loss of mass at 1 075 degrees C -- Gravimetric method

Water quality -- Determination of manganese -- Formaldoxime spectrometric method