ISO 2866:1974 PDF
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Sulphur for industrial use — Determination of total carbon content — Titrimetric method
Gives the potentiometric and visual methods als alternatives for the final titration. The principle consists in the combustion of the sulphur in a current of oxygen. Oxidation and fixation of the sulphur dioxide and trioxide gases in chromic and sulphuric acid solutions. Absorption of the carbon dioxide formed in a solution of barium hydroxide, followed by titration in the presence of phenolphthalein and screened methylorange (by xylene cyanol FF) as indicator. Has also been approved by the IUPAC.
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| Edition | 1974 |
|---|---|
| Published Date | 1974 |
| Published By | International Standardization Organisation |
| Page Count | 5 |
