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Regarding the boiling range specification in the national standards for industrial methanol

2009-07-27View Original

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This post was last edited by zhanbob on 2009-7-27 12:06. What does 0℃ mean as specified in the parentheses for this indicator? In my opinion, it is sufficient to specify a pressure of 101.3 kPa. For the parameter of boiling range (at 0°C and 101.3 kPa, within the range of 64.0°C to 65.5°C, including 64.6±0.1°C), the values for top-grade, first-grade, and qualified products are respectively: 0.8°C, 1.0°C, and 1.5°C. Those who know please explain it, thank you!

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