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ISO 739:1976PublishedSodium carbonate for industrial use — Preparation and storage of test samplesISO 740:1976PublishedSodium carbonate for industrial use — Determination of total soluble alkalinity — Titrimetric methodISO 746:1976PublishedSodium carbonate for industrial use — Determination of matter insoluble in water at 50 degrees CISO 1619:1976PublishedCryolite, natural and artificial — Preparation and storage of test samplesISO 1620:1976PublishedCryolite, natural and artificial — Determination of silica content — Reduced molybdosilicate spectrophotometric methodISO 1686:1976PublishedSodium and potassium silicates for industrial use — Samples and methods of test — GeneralISO 1689:1976PublishedSodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxideISO 1690:1976PublishedSodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilizationISO 1691:1976PublishedSodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric methodISO 1692:1976PublishedSodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric methodISO 1693:1976PublishedCryolite, natural and artificial — Determination of fluorine content — Modified Willard-Winter methodISO 1694:1976PublishedCryolite, natural and artificial — Determination of iron content — 1,10- Phenanthroline photometric methodISO 2122:1972PublishedSodium and potassium silicates for industrial use — Preparation of solution of products not easily soluble in boiling water and determination of matter insoluble in waterISO 2197:1972PublishedSodium hydrogen carbonate for industrial use — List of methods of test and preparation of the test sampleISO 2199:1972PublishedSodium hydrogen carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric methodISO 2366:1974PublishedCryolite, natural and artificial — Determination of sodium content — Flame emission and atomic absorption spectrophotometric methodsISO 2367:1972PublishedCryolite (natural and artificial) — Determination of aluminium content — 8- Hydroxyquinoline gravimetric methodISO 2460:1973PublishedSodium hydrogen carbonate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric methodISO 2462:1973PublishedSodium chlorate for industrial use — Determination of moisture content — Gravimetric methodISO 2479:1972PublishedSodium chloride for industrial use — Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinationsISO 2480:1972PublishedSodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric methodISO 2481:1973PublishedSodium chloride for industrial use — Determination of halogens, expressed as chlorine — Mercurimetric methodISO 2482:1973PublishedSodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methodsISO 2483:1973PublishedSodium chloride for industrial use — Determination of the loss of mass at 110 degrees CISO 2830:1973PublishedCryolite, natural and artificial — Determination of aluminium content — Atomic absorption method