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ISO 619:1981 (R2022)
Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
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Summary
Method I is applicable to manganese ores having chromium contents less than 0.1 % (m/m), method II is applicable to manganese ores having chromium contents greater than 0.1 % (m/m). This second edition cancels and replaces the first edition (i.e. ISO 619-1975). Should be read in conjunction with ISO 4297.
Notes
90.93 : Norme internationale confirmée
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 12/01/1981 |
| Confirmation Date | 03/25/2022 |
| Edition | 2 |
| Page Count | 4 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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01/12/1981
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