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GB/T 6730.71-2014 Active
GB/T 6730.71-2014 Iron ores—Determination of acid-soluble iron(Ⅱ) content—Titrimetric method
Abstract
This part of GB/T 6730 specifies the determination of ferrous content by titration method.
This part is applicable to the determination of ferrous content in natural and processed iron ores, with a determination range (mass fraction) of 0.2% to 28.0%.
This method is only suitable for the reduction test of ores specified in GB/T 24515 or GB/T 24189, and is not suitable for ores with a sulfur content greater than 0.3% or a free carbon content greater than 5.0%. Experiments show that, as long as the accuracy requirements of the reduction test method are met, the acid-insoluble residue can be ignored.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 6730.71-2014 |
| CCS | Iron ore |
| ICS | Iron ore |
| Implement Date | 2015-01-01 |
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