乙醇的检测.pptVIP

乙醇的檢測 乙醇 C2H6O 46.07 Ethanol. Ethyl alcohol CAS#: [64-17-5]. 應用： 饮料 汽车燃料 消毒剂 有机合成原料 溶剂 稀释剂 萃取剂 洗涤剂 Spectrum 乙醇品種 A2176 Alcohol, Denatured, 190 Proof A1038 Alcohol, Anhydrous, Completely Denatured A1040 Reagent Alcohol, Denatured, Reagent, ACS E1020 Ethyl Alcohol, 190 Proof, FCC E1028 Ethyl Alcohol, Absolute, 200 Proof, Reagent, ACS E1029 Ethyl Alcohol, 190 Proof, Reagent, ACS E1068 Dehydrated Alcohol, 200 Proof, USP, EP, BP E1421 Alcohol, 190 Proof, BiotechGrade E1424 Dehydrated Alcohol, 200 Proof, BiotechGrade ET107 Dehydrated Alcohol, 200 Proof, Undenatured, USP ET108 Alcohol, 190 Proof, USP HP612 Reagent Alcohol, Denatured, Exceeds A.C.S. Specifications, HPLC Grade HS002 Reagent Alcohol, Denatured, Histological Grade EX0278 Alcohol, Denatured, OmniSolv(R) EX0289 Ethyl Alcohol, MultiPharm, 200 Proof, EP, JP, USP EX0290 Ethyl Alcohol, Pure, 190 Proof, HPLC Grade *Proof: 酒精纯度, 一个酒精纯度相当于0.5％的酒精含量. 乙醇檢測的應用 相對密度法 USP841, Specific Gravity. ET107, Dehydrated alcohol, 200 proof, undenatured, USP 蒸餾法 USP 611, Method Ⅰ. 中國藥典2005版一部：附錄Ⅸ M 乙醇量測定法Ⅱa, b, c 氣相色譜法 （GC） USP 611, Alcohol determination, Method Ⅱ. BE115, Belladonna Tincture ACS 10th, Ethyl alcohol. HP612，Reagent Alcohol, Denatured, Exceeds A.C.S. Specifications, HPLC Grade USP 467, Residual solvents, class 3. 中國藥典2010版二部：附錄Ⅶ E 乙醇量測定法 中國藥典2005版一部：附錄Ⅸ M 乙醇量測定法Ⅰ 相對密度法 - USP841, Specific Gravity, method Ⅰ ET107, Dehydrated alcohol, 200 proof, undenatured, USP Alcohol content: ≧ 99.2%, by weight; ≧ 99.5%, by volume, at 15.56℃. 原理: 25℃下, 相同體積乙醇和水的重量比值, 折算成15.56℃下乙醇的重量含量或體積含量. 方法: 使用同一比重瓶，先將先将一定體積的燒開過的蒸餾水放入其中, 分別稱量25 ℃下空瓶和水裝入后的總重量, 兩者之差就是25