mathanol

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mathanol
Posting date : May 19, 2009
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29-
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甲醇质量标准: Methanol Standard: GB338-2004 项目: 等级Classifications 实际表现 优等品 一等品 合格品 Descriptions Premium Grade 1 Pass Performance 色度(铂-钴),号≤ 5 10 5 Color(Pt-Co) 密度(20℃),g/cm3 0.791-0.792 0.791-0.793 0.791-0.793 Density 温度范围(0℃,101325pa),℃ 64.0-65.5   沸程(包括64.6±0.1℃),℃≤ 0.8 1.0 1.5 0.1-0.31 高锰酸钾试验,min≥ 50 30 20 50 K2MnO4 水混溶性试验 通过试验 通过试验 - 通过(1+3)/通过(1+9) Water Solusable Test (1+3) (1+9) 水份含量,%≤ 0.1 0.15 - 0.002-0.01 Water Content 酸度(以HCOOH计),%≤ 0.0015 0.0030 0.0050 0.0005-0.0010 或碱度(以NH3计),%≤ 0.0002 0.0008 0.0015 0 羰基化合物含量(以CH2O计),%≤ 0.002 0.005 0.010 0.001-0.0007 蒸发残渣含量,%≤ 0.001 0.003 0.005 - Steamed Residue 乙醇含量Ethanol content       <50PPM 年产量 100,000 吨 (Tons) Annual Capacity

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