酒精分類標(biāo)準(zhǔn)及用途

1、酒精分類標(biāo)準(zhǔn)及用途Ethanolclassification,standardand酒精廣泛應(yīng)用于食品、化學(xué)、醫(yī)藥、染料等行業(yè)，酒精又是十分重要的清潔能源。通常，酒精按含雜質(zhì)多少分為：無水酒精、食用酒精、工業(yè)酒精。Ethanolwidelyappliestomanyindustriessuchasfood,chemistry,medicine,dyeandetc.Ingeneral,ethanolisdividedtoanhydrousethanol,edibleethanolandindustrialethanolaccordingtoitsimpuritycontent.一、無水酒精Anh

2、ydrousethanol無水酒精產(chǎn)品質(zhì)量執(zhí)行中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)GB/T678-2002化學(xué)試劑一無水乙醇標(biāo)準(zhǔn)。TheproductquantityofanhydrousethanolexecutethestatecriteriaofthePeoplesRepublicofChinaGB/T678-2002名稱Name優(yōu)級(jí)純Guaranteereagent分析純Analyticallypure化學(xué)純Chemicalpure乙醇的質(zhì)量分?jǐn)?shù)Massfractionofethanol(CH3CH2OH)/%密度Density(20)/(g/mL)與水混合試驗(yàn)Testmixwithwater合格Q

3、ualified合格Qualified合格Qualified蒸發(fā)殘?jiān)馁|(zhì)量分?jǐn)?shù)Massfractionofevaporationresidue/%酸度(以H+計(jì))Acidity(byH+)/(mmol/100g)堿度(以O(shè)H-計(jì))Alkalinity(byOH-)/(mmol/100g)水分的質(zhì)量分?jǐn)?shù)Massfractionofwater/%甲醇(CH3OH)的質(zhì)量分?jǐn)?shù)Massfractionofmethanol(CH3OH)/%異丙醇(CH3)2CHOH的質(zhì)量分?jǐn)?shù)Massfractionofisopropanol(CH3)2CHOH/%羰基化合物(以CO計(jì))的質(zhì)量分?jǐn)?shù)Massfraction

4、ofcarbonylcompound(byCO)/%易炭化物質(zhì)Readilycarbonizablesubstance合格Qualified合格Qualified合格Qualified鐵(Fe)的質(zhì)量分?jǐn)?shù)Massfractionofferrum(Fe)/%鋅(Ze)的質(zhì)量分?jǐn)?shù)Massfractionofzinc/%還原高錳酸鉀物質(zhì)(以O(shè)計(jì))的質(zhì)量分?jǐn)?shù)/%Massfractionofreducingpotassiumpermanganatesubstance(byO)/%用途：化學(xué)試劑、化學(xué)原料、防腐劑、消毒、燃料、有機(jī)溶劑等。Application:chemicalreagent,chemic

5、almaterial,preservative,disinfection,fuel,organicsolventandetc.二、食用酒精Edibleethanol食用酒精產(chǎn)品質(zhì)量執(zhí)行中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)GB10343-2002適用于谷物、薯類、糖密為原料，經(jīng)發(fā)酵、蒸餾而制成的含水酒精，為食品工業(yè)專用的食用酒精。TheproductquantityofedibleethanolexecutesthestatecriteriaofthePeoplesRepublicofChinaGB10343-2002,whichappliestotheaqueousethanolmakefromgrains

6、,yamsormolassesasrawmaterialandthroughfermentationanddistillation.Itistheappropriativeedibleethanolforfoodindustry.食用酒精GB10343-2002標(biāo)準(zhǔn)EdibleethanolGB10343-2002Standard一、感官要求Senserequirements項(xiàng)目Item特級(jí)Extragrade優(yōu)級(jí)Finegrade普級(jí)Commongrade氣味Smell具有乙醇香，無異味Hasethanolaroma，noobjectionalodor無異臭noobjectionalodor

7、口味taste純凈、微甜pure,subtlysweet純正、微甜pure,subtlysweet較純正Comparativepure理化要求Analyticalrequirements指標(biāo)名稱tem單位Unit(GB10343-2002)特級(jí)Extra優(yōu)級(jí)Fine普級(jí)Common色度Chroma號(hào)No.101010酒精含量Ethanolcontent%(v/v)硫酸試驗(yàn)Sulfuricacid號(hào)No.51060氧化時(shí)間OxidationtimeMin403020總?cè)?以乙醛計(jì))Totalaldehyde(byacetaldehydemg/l1330甲醇Methanolmg/l250150正丙

8、醇Normalpropylalcoholmg/l235100異丁醇+異戊醇Isobutanol+isoamylolmg/l1230總酸(以乙酸計(jì))Totalacid(byaceticacid)mg/l71020總酯(以乙酸乙酯計(jì))Totalester(byethylacetate)mg/l101825不揮發(fā)物Nonvolatilematermg/l102025重金屬(以Pb計(jì))Heavymetal(byPb)mg/l1氰化物(以HCN計(jì))Cyanide(byHCN)mg/l5*用途：白酒、飲料、乙酸乙酯、丁醇、丙酮、醫(yī)藥等。Application:distilledspirit,drink,e

9、thylacetate,butanol,acetone,medicineandetc.三、工業(yè)酒精工業(yè)酒精產(chǎn)品質(zhì)量執(zhí)行中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)GB/適用于谷物、薯類、糖密為原料，經(jīng)發(fā)酵、蒸餾而制成的含水工業(yè)酒精。其雜質(zhì)指標(biāo)比食用酒精寬松。按其生產(chǎn)的酒精不得用于食品、飲料。TheproductquantityofindustrialethanolexecutesthestatecriteriaofthePeoplesRepublicofChinaGB/,whichappliestotheaqueousethanolmakefromgrains,yamsormolassesasrawmaterial

10、andthroughfermentationanddistillation.Itsimpurityindicatoriseasierthanedibleethanol.Theethanolthatproducedfollowingthisstandardcannotbeusedforfoodanddrink.工業(yè)酒精GB/標(biāo)準(zhǔn)IndustrialethanolGB/standard項(xiàng)目Item指標(biāo)Index優(yōu)等品High-classproduct*生旦等品First-rateproduct合格品Qualifiedproduct粗酒精Crudeethanol外觀Appearance無色透明液體C

11、olorlessandclearliquid淡黃色液體Faintyellowliquid色度/號(hào)Chroma/No.10氣味Smell無異臭noobjectionalodor乙醇Ethanol（20，（V/V）%硫酸度驗(yàn)號(hào)SulfuricaciddegreesCheckNo./min100氧化時(shí)間Oxidizationdegrees/min01醛(以乙醛計(jì))aldehyde(byacetaldehyde)/mgL-10雜醇油（以異丁醇+異戊醇計(jì)）Fusel（byIsobutanol+isoamylol）/mg-L-21100甲醇Methanol/mgL001200酸(以乙酸計(jì))acid(byaceticacid)/mgL11020酯(以乙酸乙酯計(jì))ester(byethylacetate)/mg-L1-