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methanol
methanol is an important organic chemical raw materials, colorless, transparent, highly volatile, flammable liquid. in polymer three synthetic materials and pesticide, medicine, fuel, and other spices and paint chemical products as raw materials or s
methanol is an important organic chemical raw materials, colorless, transparent, highly volatile, flammable liquid. in polymer three synthetic materials and pesticide, medicine, fuel, and other spices and paint chemical products as raw materials or solvent.
甲醇 | 项目 | 指标 | ||
优等品 | 一等品 | 合格品 | ||
色度/hazen单位(铂-钴色号） ≤ | 5 | 10 | ||
密度(20℃)g/cm3 | 0.791~0.792 | 0.791~0.793 | ||
沸程(0℃, 101.3kpa,在64.0℃--65.5℃范围内，包括64.6±0.1℃)/℃ ≤ | 64.0~65.5 | |||
0.8 | 1.0 | 1.5 | ||
高锰酸钾试验min ≥ | 50 | 30 | 20 | |
水混溶性试验 | 通过实验（1 3） | 通过实验（1 9） | — | |
水的质量分数/% ≤ | 0.10 | 0.15 | — | |
酸的质量分数%(以hcooh计) ≤ | 0.0015 | 0.0030 | 0.0050 | |
碱的质量分数%(以nh3计) ≤ | 0.0002 | 0.0008 | 0.0015 | |
羰基化合物质量分数%（hcho计） ≤ | 0.002 | 0.005 | 0.010 | |
蒸发残渣的质量分数% ≤ | 0.001 | 0.003 | 0.005 | |
硫酸洗涤试验/hazen单位验（铂-钴)号≤ | 50 | — | ||
乙醇质量分数 ppm | — | |||
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