ISO/TMBG
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 15790 | ISO 8541:1986 | Manganese and chromium ores — Experimental methods for checking the bias of sampling and sample preparation | Standarts spēkā |
| 15771 | ISO 8531:1986 | Manganese and chromium ores — Experimental methods for checking the precision of moisture determination | Standarts spēkā |
| 15769 | ISO 8530:1986 | Manganese and chromium ores — Experimental methods for checking the precision of sample division | 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 |
| 14957 | ISO 7969:1985 | Manganese ores and concentrates — Determination of sodium and potassium contents — Flame atomic absorption 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 |
| 14556 | ISO 7723:1984 | Manganese ores and concentrates — Determination of titanium content — 4,4'-Diantipyrylmethane spectrometric method | Standarts spēkā |
| 13570 | ISO/TR 7003:1990 | Unified format for the designation of metals | Atcelts |
| 13046 | ISO 6629:1981 | Chromium ores and concentrates — Methods of chemical analysis — General instructions | Standarts spēkā |
| 12628 | ISO 6331:1983 | Chromium ores and concentrates — Determination of chromium content — Titrimetric method | Atcelts |
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