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ISO 2479:1972 Sodium chloride for industrial use — Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations
ISO 2480:1972 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
ISO 2367:1972 Cryolite (natural and artificial) — Determination of aluminium content — 8- Hydroxyquinoline gravimetric method
ISO 2227:1972 Formaldehyde solutions for industrial use — Determination of formaldehyde content
ISO 2313:1972 Textiles — Determination of the recovery from creasing of a horizontally folded specimen of fabric by measuring the angle of recovery
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