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1、酒 精 分 类标 准 及 用 途Ethanol classification, standard and酒精广泛应用于食品、化学、医药、染料等行业，酒精又是十分重要的清洁能源。通常，酒精按 含杂质多少分为：无水酒精、食用酒精、工业酒精。Ethanol widely applies to many industries such as food, chemistry, medicine, dye and etc. In gen eral, etha nol is divided to an hydrous etha nol, edible etha nol and in dustrial eth
2、a nol accord ing to its impurity content.、无水酒精 An hydrous etha nol无水酒精产品质量执行中华人民共和国国家标准GB/T678-2002化学试剂无水乙醇标准The product qua ntity of an hydrous etha nol execute the state criteria of the Peoples Republic ofChi na GB/T678-2002 名称Name优级纯Guara nteereage nt分析纯An alyticallypure化学纯Chemical pure乙醇的质量分数Mas
3、s fraction of ethanol(CH3CH2OH ) /%密度Density (20 C) /(g/mL)与水混合试验合格合格合格Test mix with waterQualifiedQualifiedQualified蒸发残渣的质量分数Mass fracti on of evaporati on residue /%酸度(以H+计)Acidity (by H+)/(mmol/100g)碱度(以OH-计)Alkali nity (by OH-)/(mmol/100g)水分的质量分数Mass fracti on of water/%甲醇（CH3OH ）的质量分数Mass fract
4、ion of methanol（CH3OH）/%异丙醇（CH3）2CHOH的质量分数Mass fraction of isopropanol（ CH3）2CHOH/%羰基化合物（以 CO计）的质量分数Mass fracti on of carbonyl compound （by CO）/%易炭化物质合格合格合格Readily carb oni zable substa neeQualifiedQualifiedQualified铁（Fe）的质量分数Mass fraction of ferrum （Fe）/%锌（Ze）的质量分数Mass fracti on of zi nc/%还原高锰酸钾物质（
5、以 O计）的质量分数/%Mass fracti on of reduc ing potassiumperma ngan ate substa nee （by O） /%用途：化学试剂、化学原料、防腐剂、消毒、燃料、有机溶剂等。Applicati On： chemical reagent, chemical material, preservative, disinfection, fuel, organic solvent and etc.、食用酒精 Edible etha nolGB10343-2002适用于谷物、薯类、糖密为原料,食用酒精产品质量执行中华人民共和国国家标准经发酵、蒸馏而制成
6、的含水酒精，为食品工业专用的食用酒精。The product quantity of edible ethanol executes the state criteria of the Peoples Republic of China GB10343-2002, which applies to the aqueous etha nol make from grains, yams or molasses as raw material and through ferme ntati on and distillati on .It is the appropriative edible e
7、tha nol for food in dustry.食用酒精GB10343-2002标准Edible ethanolGB10343-2002 Standard一、感官要求 Sense requirements项目Item特级Extra grade优级Fine grade普级Common grade气味Smell具有乙醇香，无异味Has ethanol aroma, no objectional odor无异臭no objecti onalodor口味 taste纯净、微甜pure, subtly sweet纯正、微甜pure, subtly sweet较纯正Comparative pure理
8、化要求 An alytical requireme nts指标名称tem单位Un it(GB10343-2002)特级Extra优级Fine普级Com mon色度 Chroma %(v/v)硫酸试验 Sulfuric acidMin403020总醛(以乙醛计)Total aldehyde( by acetaldehydemg/l1330甲醇 Methanol mg/l250150正丙醇 Normal propyl alcohol mg/l235100异丁醇+异戊醇Isobuta nol + isoamylolmg/l1230总酸(以乙酸计)Total acid (by acetic acid)
9、mg/l71020总酯(以乙酸乙酯计)Total ester (by ethyl acetate)mg/l101825不挥发物No nvolatile mater mg/l102025重金属(以Pb计)Heavy metal (by Pb) mg/l1氰化物(以HCN计)Cya nide (by HCN) mg/l5*用途：白酒、饮料、乙酸乙酯、丁醇、丙酮、医药等。Applicati on: distilled spirit, drink, ethyl acetate, buta nol, acet one, medic ine and etc.三、工业酒精工业酒精产品质量执行中华人民共和国国
10、家标准GB/适用于谷物、薯类、糖密为原料，经发酵、蒸馏而制成的含水工业酒精。其杂质指标比食用酒精宽松。按其生产的酒精不得用于食品、饮料。The product qua ntity of in dustrial etha nol executes the state criteria of the Peoples Republic ofChi na GB/, which applies to the aqueous etha nol make from gra ins, yams or molasses as raw materialand through fermentation and di
11、stillation. Its impurity indicator is easier than edible ethanol. Theetha nol that produced follow ing this sta ndard cannot be used for food and drink.工业酒精GB/标准In dustrial etha nolGB/sta ndard项目Item指标 Index优等品High-classproduct_、生口等品First-rateproduct合格品Qualifiedproduct粗酒精Crudeetha nol夕卜观 Appearanee无
12、色透明液体Color less and clear liquid淡黄色液体Faint yellowliquid色度 /号 Chroma/No. 10气味Smell无异臭no objecti onal odor乙醇 Etha nol (20 C,( V/V ) %硫酸度验号Sulfuric acid degrees Check No. /min 10 80 30 155醛(以乙醛计)aldehyde (by acetaldehyde ) /mg -L-i530杂醇油(以异丁醇+异戊醇计)Fusel ( by Isobutanol + isoamylol) /mg -L-2i 10 80甲醇 Me
13、thanol/mg - L- 800 1200酸(以乙酸计)acid (by acetic acid) /mgL-1 10 20酯(以乙酸乙酯计)ester (by ethyl acetate) /mgL1- 30 40不发挥物Non volatile mater /mgL-1 20 25 25用途：燃料、有机溶剂、乙烯、橡胶、聚乙烯、聚氯乙烯、染料、农药等。Application : fuel, organic solution, ethane, rubber, polyethylene, PVC, dye, pesticide and etc.广东中科天元新能源科技有限公司2010年11月17日
