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全国服务热线Q?635-7713688
国家标准GB1926.1?/span>88规定的技术要求ؓQ?/span>
Q?/span>1Q外观：h苦杏仁味的浅黄至琥珀色透明液体Q无机械杂质Q贮存中色泽逐渐加深Q直臛_为棕褐色?/span>
Q?/span>2Q工业糠醛应W合下表要求Q?/span>
?/span> ?/span> ?/span> U?/span> | ?/span> ?/span> | 一 U?/span> | ?/span> U?/span> |
密度Q?/span>g/cm3Q?/span> 折光率（nD20Q?/span> 水分含量Q?/span>%Q?/span> ?/span> 酸度Q?/span>mol/LQ?/span> ?/span> p醛含量Q?/span>%Q?/span> ?/span> ?/span> E?/span> 初馏?? ?/span> 158℃前馏䆾Q?/span>mlQ≤ 总馏出量Q?/span>%Q?/span> ?/span> l馏?/span>Q?/span>?/span>Q?/span> ?/span> D留?/span>Q?/span>%Q?/span> ?/span> | 1.159~1.161 1.524~1.527 0.05 0.008 99.0
155 2 99.0 170 1.0 | 1.158~1.161 1.524~1.527 0.10 0.016 98.5
150 ?/span> 98.5 170 ?/span> | 1.158~1.161 1.524~1.527 0.20 0.016 98.5
?/span> ?/span> ?/span> ?/span> ?/span> |
注：①水分指标以出厂为准?/span>
②酸度相当于0.008mol/LQ以乙酸计）Q?.016mol/L相当?.08Q以乙酸计）