ISO/TMBG
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
13046 | ISO 6629:1981 | Chromium ores and concentrates — Methods of chemical analysis — General instructions | Standarts spēkā |
13570 | ISO/TR 7003:1990 | Unified format for the designation of metals | Atcelts |
14556 | ISO 7723:1984 | Manganese ores and concentrates — Determination of titanium content — 4,4'-Diantipyrylmethane spectrometric method | Standarts spēkā |
14930 | ISO 7953:1985 | Manganese ores and concentrates — Determination of calcium and magnesium contents — Flame atomic absorption spectrometric method | Standarts spēkā |
14957 | ISO 7969:1985 | Manganese ores and concentrates — Determination of sodium and potassium contents — Flame atomic absorption spectrometric method | Standarts spēkā |
14987 | ISO 7990:1985 | Manganese ores and concentrates — Determination of total iron content — Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method | Standarts spēkā |
15769 | ISO 8530:1986 | Manganese and chromium ores — Experimental methods for checking the precision of sample division | Standarts spēkā |
15771 | ISO 8531:1986 | Manganese and chromium ores — Experimental methods for checking the precision of moisture determination | Standarts spēkā |
15790 | ISO 8541:1986 | Manganese and chromium ores — Experimental methods for checking the bias of sampling and sample preparation | Standarts spēkā |
15791 | ISO 8542:1986 | Manganese and chromium ores — Experimental methods for evaluation of quality variation and methods for checking the precision of sampling | Standarts spēkā |
Displaying 3111-3120 of 3303 results.