氯代正己烷;1-氯己烷;己基氯; 1-chlorohexane;n-hexyl chloride 国标编号 33526 CAS号 544-10-5 分子式 C6H13Cl;Cl(CH2)5CH3 分子量 120.62 无色液体,有类似氯仿的刺鼻臭味;闪点 35℃;熔点-83℃;沸点134℃;溶解性:不溶于水,溶于甲醇、乙醇、苯、油类等多数有机溶剂;密度:相对密度(水=1)0.88;相对密度(空气=1)4.2;稳定性:稳定;危险标记 7(易燃液体);主要用途 用于有机合成
研究人员使用的方法是将咖啡渣隔夜使其干燥,然后放入一些常见的化学溶剂中,例如正己烷、乙醚和二氯甲烷,来溶解咖啡渣中的油类成分。
The researchers start off by drying their coffee grounds overnight and then pour in some common chemical solvents, such as hexane, ether and dichloromethane, to dissolve the oils.
蜂蜜样品用水溶解后,经正己烷-二氯甲烷提取,提取液经c18固相萃取小柱净化,采用气相色谱仪电子捕获检测器定量测定。
The honey samples were dissolved in water and acetone and then extracted with hexane - chloromethane, cleaned by C18 SPE cartridge, determined by gas chromatographic electronic capture detector.
建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。
A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.
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