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ISO 745:1976WithdrawnSodium carbonate for industrial use — Determination of loss of mass and of non-volatile matter at 250 degrees CISO 850:1976WithdrawnSodium tripolyphosphate for industrial use — Determination of matter insoluble in waterISO 851:1976WithdrawnSodium tripolyphosphate for industrial use — Measurement of pH — Potentiometric methodISO/R 852:1968WithdrawnSodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of iron content — 2,2'- Bipyridyl spectrophotometric methodISO 853:1976WithdrawnSodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of loss on ignitionISO 1687:1976WithdrawnSodium and potassium silicates for industrial use — Determination of density at 20 degrees C of products in solution — Method using density hydrometer and method using pyknometerISO 1688:1976WithdrawnSodium and potassium silicates for industrial use — Determination of dry matter — Gravimetric methodISO 1916:1972WithdrawnDisodium tetraborates for industrial use — Determination of sodium oxide and boric oxide contents and loss on ignitionISO 1917:1972WithdrawnHydrated sodium perborates for industrial use — Determination of sodium oxide, boric oxide and available oxygen contents — Volumetric methodsISO 2050:1976WithdrawnPotassium chloride for industrial use — Determination of potassium content — Flame emission spectrophotometric methodISO 2051:1976WithdrawnPotassium chloride for industrial use — Determination of potassium content — Potassium tetraphenylborate gravimetric methodISO 2052:1976WithdrawnPotassium chloride for industrial use — Determination of potassium content — Sodium tetraphenylborate titrimetric methodISO 2053:1976WithdrawnPotassium chloride for industrial use — Determination of moisture content — Gravimetric methodISO 2123:1972WithdrawnSodium and potassium silicates for industrial use — Determination of dynamic viscosityISO 2124:1972WithdrawnSodium and potassium silicates for industrial use — Determination of silica content — Titrimetric methodISO 2198:1972WithdrawnSodium hydrogen carbonate for industrial use — Determination of sodium carbonate — Titrimetric methodISO 2200:1972WithdrawnSodium hydrogen carbonate for industrial use — Determination of moisture content — Gravimetric methodISO 2201:1972WithdrawnSodium hydrogen carbonate for industrial use — Determination of chloride content — Mercurimetric methodISO 2216:1972WithdrawnCrude sodium borates for industrial use — Determination of sodium oxide and boric oxide contents — Volumetric methodISO 2217:1975WithdrawnCrude sodium borates for industrial use — Determination of matter insoluble in alkaline medium and preparation of test solutionsISO 2218:1972WithdrawnCrude sodium borates for industrial use — Determination of loss in mass after heating at 900 degrees CISO 2362:1972WithdrawnAluminium fluoride for industrial use — Determination of fluorine content — Modified Willard-Winter methodISO 2364:1972WithdrawnAmmonium nitrate for industrial use — Determination of free acidity — Volumetric methodISO 2365:1972WithdrawnAmmonium nitrate for industrial use — Measurement of pH value — Potentiometric methodISO 2368:1972WithdrawnAluminium fluoride for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method