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sklademVydáno: 1981
ISO 320:1981
ISO 320:1981-Manganese ores — Determination of sulphur content — Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion
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| Označení normy: | ISO 320:1981 |
| Počet stran: | 6 |
| Vydání: | 2 |
| Vydáno: | 1981 |
DESCRIPTION
ISO 320:1981
Describes three methods: methods I and II are gravimetric methods which are applicable to maganese ores having sulphur contents greater than 0.01 % (m/m), and method III is a titrimetric method. Should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results. A figure illustrates the apparatus for determination of sulphur content in accordance with method III.