Normas ISO

Single-start solid (monobloc) gear hobs with tenon drive or axial keyway, 1 to 40 module -- Nominal dimensions

Sodium chloride for industrial use -- Determination of the loss of mass at 110 degrees C

Sodium chloride for industrial use -- Determination of calcium and magnesium contents -- EDTA complexometric methods

Sodium chloride for industrial use -- Determination of halogens, expressed as chlorine -- Mercurimetric method

Sodium chloride for industrial use -- Determination of sulphate content -- Barium sulphate gravimetric method

Sodium chloride for industrial use -- Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations