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Hlavní stránka>ISO 7990:1985-Manganese ores and concentrates — Determination of total iron content — Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
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sklademVydáno: 1985
ISO 7990:1985-Manganese ores and concentrates — Determination of total iron content — Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method

ISO 7990:1985

ISO 7990:1985-Manganese ores and concentrates — Determination of total iron content — Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method

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Anglicky PDF
K okamžitému stažení
1800 Kč
Francouzsky PDF
K okamžitému stažení
1800 Kč
Anglicky Tisk
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1800 Kč
Francouzsky Tisk
Skladem
1800 Kč
Označení normy:ISO 7990:1985
Počet stran:6
Vydání:1
Vydáno:1985
Popis

ISO 7990:1985


Method A is applicable to products having a total iron content from 1 to 25 % (m/m), and method B is applicable to products having a total iron content from 0.2 to 2 % (m/m). ISO 7990 should be read in conjunction with ISO 4297. Specifies principle, reactions (method A only), reagents, apparatus, sampling and samples, procedure and expression of results.
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