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