ISO 501-1981 标准详情
- 标准号:ISO 501-1981
- 中文标题:煤.坩埚膨胀数的测定
- 英文标题:coal; determination of the crucible swelling number
- 标准类别:国际标准化组织标准ISO
- 发布日期:1981-11-01
The sample is heated in a covered crucible under standard conditions to a final temperature of 820 +- 5 °C. The coke button obtained is classified by comparison with the outlines of a set of standard profiles. The number of the profile most close
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