
Items to be displayed:
| Standard and/or project | Stage | TC |
|---|---|---|
| ISO 904:1976 Hydrochloric acid for industrial use -- Determination of total acidity -- Titrimetric method | 90.93 | ISO/TC 47 |
| ISO 910:1977 Sulphuric acid and oleum for industrial use -- Determination of total acidity, and calculation of free sulphur trioxide content of oleum -- Titrimetric method | 90.60 | ISO/TC 47 |
| ISO 2762:1973 Hydrochloric acid for industrial use -- Determination of soluble sulphates -- Turbidimetric method | 90.93 | ISO/TC 47 |
| ISO 2997:1974 Phosphoric acid for industrial use -- Determination of sulphate content -- Method by reduction and titrimetry | 90.93 | ISO/TC 47 |
| ISO 3137:1974 Anhydrous hydrogen fluoride for industrial use -- Sampling | 90.93 | ISO/TC 47 |
| ISO 3139:1976 Aqueous hydrofluoric acid for industrial use -- Sampling and methods of test | 90.93 | ISO/TC 47 |
| ISO 3139:1976/Amd 1:1980 | 60.60 | ISO/TC 47 |
| ISO 3360:1976 Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) -- Determination of fluorine content -- Alizarin complexone and lanthanum nitrate photometric method | 90.93 | ISO/TC 47 |
| ISO 3423:1975 Sulphuric acid and oleums for industrial use -- Determination of sulphur dioxide content -- Iodometric method | 90.60 | ISO/TC 47 |
| ISO 3699:1976 Anhydrous hydrogen fluoride for industrial use -- Determination of water content -- Karl Fischer method | 90.93 | ISO/TC 226 |
| ISO 3706:1976 Phosphoric acid for industrial use (including foodstuffs) -- Determination of total phosphorus (V) oxide content -- Quinoline phosphomolybdate gravimetric method | 90.93 | ISO/TC 47 |
| ISO 3707:1976 Phosphoric acid for industrial use (including foodstuffs) -- Determination of calcium content -- Flame atomic absorption method | 90.93 | ISO/TC 47 |
| ISO 4285:1977 Phosphoric acid for industrial use -- Guide to sampling techniques | 90.93 | ISO/TC 47 |