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ISO 2369:1972WithdrawnAluminium fluoride for industrial use — Determination of silica content — Spectrophotometric method using the reduced silicomolybdic complexISO 2461:1973WithdrawnSodium chlorate for industrial use — Determination of matter insoluble in waterISO 2463:1973WithdrawnSodium chlorate for industrial use — Determination of chloride content — Mercurimetric methodISO 2484:1973WithdrawnPotassium sulphate for industrial use — Determination of potassium content — Flame emission spectrophotometric methodISO 2485:1973WithdrawnPotassium sulphate for industrial use — Determination of potassium content — Gravimetric method as potassium tetraphenylborateISO 2486:1973WithdrawnPotassium sulphate for industrial use — Determination of potassium content — Sodium tetraphenylborate volumetric methodISO 2487:1973WithdrawnPotassium sulphate for industrial use — Determination of sulphate content — Barium sulphate gravimetric methodISO 2488:1973WithdrawnPotassium sulphate for industrial use — Determination of chloride content — Mercurimetric methodISO 2489:1973WithdrawnPotassium sulphate for industrial use — Determination of acidity to methyl orangeISO 2515:1973WithdrawnAmmonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ammoniacal nitrogen content — Volumetric method after distillationISO 2516:1973WithdrawnAmmonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of total alkalinity — Volumetric methodISO 2760:1975WithdrawnCrude sodium borates for industrial use — Determination of total aluminium content — Titrimetric methodISO 2761:1975WithdrawnCrude sodium borates for industrial use — Determination of total titanium content — Photometric methodISO 2850:1973WithdrawnPotassium sulphate for industrial use — Determination of loss of mass at 105 degrees CISO 2925:1973WithdrawnAluminium fluoride for industrial use — Preparation and storage of test samplesISO 2992:1974WithdrawnAmmonium sulphate for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric methodISO 2993:1974WithdrawnAmmonium sulphate for industrial use — Determination of free acidity — Titrimetric methodISO 2994:1974WithdrawnAmmonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric methodISO 2995:1974WithdrawnAmmonium nitrate for industrial use — Determination of matter insoluble in water — Gravimetric methodISO 2996:1974WithdrawnSodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of particle size distribution by mechanical sievingISO 2998:1974WithdrawnSodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of orthophosphate content — Photometric method using the reduced molybdophosphateISO 2999:1974WithdrawnSodium pyrophosphate for industrial use — Estimation of pyrophosphate content — Potentiometric methodISO 3000:1974WithdrawnSodium tripolyphosphate for industrial use — Estimation of tripolyphophate content — Tris(ethylenediamine) cobalt (III) chloride gravimetric methodISO 3118:1976WithdrawnSodium perborates for industrial use — Determination of particle size distribution by mechanical sievingISO 3120:1976WithdrawndiSodium tetraborates and crude sodium borates for industrial use — Determination of water content — Gravimetric method