73.060.20 Mangāna rūdas
Attēlo no 25. līdz 32. no pavisam 32 ieraksta(-iem).
ISO 7969:1985
standarts
EN
Manganese ores and concentrates Determination of sodium and potassium contents Flame atomic absorption spectrometric method
45.55 €
ISO 7990:1985
standarts
EN
Manganese ores and concentrates Determination of total iron content Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
45.55 €
ISO 8530:1986
standarts
EN
Manganese and chromium ores Experimental methods for checking the precision of sample division
45.55 €
ISO 8531:1986
standarts
EN
Manganese and chromium ores Experimental methods for checking the precision of moisture determination
45.55 €
ISO 8541:1986
standarts
EN
Manganese and chromium ores Experimental methods for checking the bias of sampling and sample preparation
45.55 €
ISO 8542:1986
standarts
EN
Manganese and chromium ores Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
68.85 €
ISO 9292:1988
standarts
EN
Manganese ores and concentrates Determination of total iron content 1,10-Phenanthroline spectrometric method
45.55 €
ISO 9681:1990
standarts
EN
Manganese ores and concentrates Determination of iron content Flame atomic absorption spectrometric method
45.55 €