酒精分类标准及用途

1、酒 精 分 类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 general, ethanol is divided to anhydrous ethanol, edible ethanol and industrial ethanol according

2、to its impurity content.一'、无水酒精 Anhydrous ethanol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 quantity of anhydrous ethanol execute the state criteria of the People's Republic ofChina GB/T678-2002 < Chemical Reagent- anhydrous ethanol standard>名称Name优级纯Guaranteereagent分析纯Anal

3、yticallypure化学纯Chemical pure乙醇的质量分数Mass fraction of ethanol (CH3CH20H ) /%密度Density (20C) /(g/mL)与水混合试验Test mix with water合格Qualified合格Qualified合格Qualified蒸发残渣的质量分数Mass fraction of evaporation residue /%酸度(以H+计)Acidity (by H+)/(mmol/100g)碱度(以OH-计)Alkalinity (by OH-)/(mmol/100g)水分的质量分数Mass fraction o

4、f water/%甲醇(CH30H )的质量分数Mass fraction of methanol (CH3OH ) /%异丙醇(CH3 ) 2CHOH的质量分数Mass fraction of isopropanol ( CH3 ) 2CHOH/%埃基化合物(以 CO计)的质量分数Mass fraction of carbonyl compound (by CO)/%易炭化物质Readily carbonizable substance合格Qualified合格Qualified合格Qualified铁(Fe)的质量分数Mass fraction of ferrum (Fe)/%一一锌(Ze

5、)的质量分数Mass fraction of zinc/%一一还原高镒酸钾物质(以。计)的质量分数/%Mass fraction of reducing potassiumpermanganate substance (by O) /%用途：化学试剂、化学原料、防腐剂、消毒、燃料、有机溶剂等。Application： chemical reagent, chemical material, preservative, disinfection, fuel, organic solvent and etc.GB10343-2002 适用于谷物、薯类、糖密为原料,、食用酒精Edible ethan

6、ol食用酒精产品质量执行中华人民共和国国家标准经发酵、蒸播而制成的含水酒精，为食品工业专用的食用酒精。The product quantity of edible ethanol executes the state criteria of the People's Republic of China GB10343-2002, which applies to the aqueous ethanol make from grains, yams or molasses as raw material and through fermentation and distillation.

7、 It is the appropriative edible ethanol for food industry.食用酒精GB10343-2002 »标准Edible ethanol GB10343-2002 » 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 objectionalodor口 味 taste纯净、微甜pure, subtly s

8、weet纯正、微甜pure, subtly sweet较纯正Comparative pure理化要求 Analytical requirements指标名称tem单位Unit(GB10343-2002)特级Extra优级Fine普级Common色度 Chroma &号No.101010酒精含量 Ethanol content >%(v/v)硫酸试验 Sulfuric acid <号No.51060氧化时间 Oxidation time >Min403020总醛(以乙醛计)Total aldehyde ( by &acetaldehydemg/l1330甲醇 M

9、ethanol &mg/l250150止丙醇 Normal propyl alcohol &mg/l235100异丁醇+异戊醇Isobutanol + isoamylol <mg/l1230总酸(以乙酸计)Total acid (by acetic acid) &mg/l71020总酯(以乙酸乙酯计)Total ester (by ethyl acetate) &mg/l101825不挥发物Nonvolatile mater &mg/l102025重金属(以Pb计)Heavy metal (by Pb) <mg/l1富化物(以HCN计)Cya

10、nide (by HCN) <mg/l5*用途：白酒、饮料、乙酸乙酯、丁醇、丙酮、医药等。Application: distilled spirit, drink, ethyl acetate, butanol, acetone, medicine 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家标准GB/适用于谷物、薯类、糖密为原料，经发酵、蒸福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 quantity of industrial ethanol executes the state criteria o

11、f the People's Republic ofChina GB/, which applies to the aqueous ethanol make from grains, yams or molasses as raw material and through fermentation and distillation. Its impurity indicator is easier than edible ethanol. The ethanol that produced following this standard cannot be used for food

12、and drink.工业酒精GB/ »标准Industrial ethanol GB/standard项目Item指标 Index优等品High-classproduct寺叩First-rateproduct合格品Qualifiedproduct粗酒精Crudeethanol外观 Appearance无色透明液体Color less and clear liquid淡黄色液体Faint yellowliquid色度/号 Chroma/No.<10一气味Smell无异臭no objectional odor一乙醇 Ethanol (20C, ( V/V) ) %硫酸度验号Sulf

13、uric acid degrees Check No. /min< 10< 80 <一一氧化时间Oxidization degrees /min>30> 15>5一醛(以乙醛计)aldehyde (by &acetaldehyde ) /mg L-i<530一一杂醇油(以异丁醇+异戊醇计)Fusel (by Isobutanol + isoamylol ) /mg L-21< 10< 80一甲醇 Methanol/mg - L-<800<1200一酸(以乙酸计)acid (by acetic acid) /mg L-i < 1020一酯(以乙酸乙酯计)ester (by ethyl acetate) /mg L1-&