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Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method
90.93 Standard confirmed
Phosphoric acid for industrial use — Determination of sulphate content — Method by reduction and titrimetry
90.93 Standard confirmed
Aqueous hydrofluoric acid for industrial use — Sampling and methods of test
90.93 Standard confirmed
Aqueous hydrofluoric acid for industrial use — Sampling and methods of test — Amendment 1
60.60 Standard published
Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) — Determination of fluorine content — Alizarin complexone and lanthanum nitrate photometric method
90.93 Standard confirmed
Sulphuric acid and oleums for industrial use — Determination of sulphur dioxide content — Iodometric method
90.93 Standard confirmed
Anhydrous hydrogen fluoride for industrial use — Determination of water content — Karl Fischer method
90.60 Close of review
Phosphoric acid for industrial use (including foodstuffs) — Determination of total phosphorus (V) oxide content — Quinoline phosphomolybdate gravimetric method
90.93 Standard confirmed
Phosphoric acid for industrial use — Guide to sampling techniques
90.93 Standard confirmed
Hydrochloric acid for industrial use — Determination of total acidity — Titrimetric method
90.93 Standard confirmed
Sulphuric acid and oleum for industrial use — Determination of total acidity, and calculation of free sulphur trioxide content of oleum — Titrimetric method
90.93 Standard confirmed