酒精分類標(biāo)準(zhǔn)及用途VIP

1、酒精分類、標(biāo)準(zhǔn)及用途Ethanolclassificationzstandardand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。Ethanolwidelyappliestomanyindustriessuchasfoodzchemistry,medicinezdyeandetc.Ingeneral,ethanolisdividedtoanhydrousethanol,edibleethanolandindustrialethanolaccordingtoitsimpuritycontent.一、無水酒精An

2、hydrousethanol無水酒精產(chǎn)品質(zhì)量執(zhí)行中華人民共和國國家標(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)Massfractionofethanol99.899.799.5(CH3CH2OH)/%密度Density(20C)/(g/mL)0.789so.791

3、0.789-0.7910.789-0.791與水混合試驗(yàn)Testmixwithwater合格Qualified合格Qualified合格Qualified蒸發(fā)殘?jiān)馁|(zhì)量分?jǐn)?shù)Massfractionofevaporationresidue/%w0.0005w0.001w0.001酸度似H+計(jì))Acidity(byH+)/(mmol/100g)w0.02w0.04w0.1堿度似OH-id-)Alkalinity(byOH-)/(mmol/100g)w0.005w0.01w0.03水分的質(zhì)量分?jǐn)?shù)Massfractionofwater/%w0.2w0.3w0.5甲醇(CH30H)的質(zhì)量分?jǐn)?shù)Massfr

4、actionofmethanol(CH3OH)/%w0.02w0.05w0.2異內(nèi)醇(CH3)2CHOH的質(zhì)量分?jǐn)?shù)Massfractionofisopropanol(CH3)w0.003w0.01w0.05班基化合物（以co計(jì)）的質(zhì)量分?jǐn)?shù)Massfractionofcarbonylcompound（byCO）/%w0.003w0.003w0.005易炭化物質(zhì)Readilycarbonizablesubstanee合格Qualified合格Qualified合格Qualified鐵（Fe）的質(zhì)量分?jǐn)?shù)Massfractionofferrum（Fe）/%w0.00001鋅（Ze）的質(zhì)量分?jǐn)?shù)Massf

5、ractionofzinc/%w0.00001還原周）鎰酸鉀物質(zhì)（以。計(jì)）的質(zhì)量分?jǐn)?shù)/%Massfractionofreducingpotassiumpermanganatesubstanee（byO）/%w0.00025w0.00025w0.0006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:chemicalreagentchemicalmateriaLpreservativeisinfection.fueLorganicsolventandetc.、食用酒精Edibleethanol食用酒精產(chǎn)品質(zhì)量執(zhí)行中華人民共和國國家標(biāo)準(zhǔn)GB10343-2002適用

6、于谷物、薯類、糖密為原料，經(jīng)發(fā)酵、蒸儲(chǔ)而制成的含水酒精，為食品工業(yè)專用的食用酒精。TheproductquantityofedibleethanolexecutesthestatecriteriaofthePeoplesRepublicofChinaGB10343-2002/whichappliestotheaqueousethanolmakefromgrainsamsormolassesasrawmaterialandthroughfermentationanddistillation.Itistheappropriativeedibleethanolforfoodindustry.食用酒精

7、GB103432002標(biāo)準(zhǔn)Edibleethanol(fGB10343-2002Standard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Hasethanolaromanoobjectionalodor/無異臭noobjectionalodor口味taste純凈、微甜purezsubtlysweet純正、微甜pure,subtlysweet較純正Comparativepure理化要求Analyticalrequirements指標(biāo)名稱tem單位Unit(GB10343-200

8、2)特級(jí)Extra優(yōu)級(jí)Fine普級(jí)Common色度Chroma%(v/v)96.095.595.0硫酸試驗(yàn)SulfuricacidMin403020總?cè)?以乙醛計(jì))Totalaldehyde(byAacetaldehydemg/l1330甲醇Methanolmg/l250150正丙醇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Nonv

9、olatilematermg/l102025重金屬以Pb計(jì))Heavymetal(byPb)mg/l1氧化物似HCN計(jì))Cyanide(byHCN)96.095.595.095.0硫酸度驗(yàn)號(hào)SulfuricaciddegreesCheckNo./minw108030155醛(以乙醛計(jì))aldehyde(by令cetaldehydpl/me-530雜醇油(以異醇+異戊醇計(jì))Fusel(bylsobutanol+isoamylol)/mqL21w1080甲醇Methanol/mgL8001200酸（以乙酸計(jì)）1020acid(byaceticacid)/mg-L-i酯(以乙酸乙酯計(jì))ester(byethylacetate)/mgL-w30w40不發(fā)揮物Nonvolatilemater/mg-L-iw20w25w25用