
raismick assid

tartaric aasidinte optikkalaayi nishkriyamaaya allengil racemic roopathinte pazhaya peraanu racemic assid. ethir dishakalil optikkalaayi sajeevamaaya rund mirror-imej isomerukalude (enanciomerukal) thulya mishrithamaanith. ithu swaabhaavikamaayi munthiri jyoosil sambhavikkunnu.
tartaric aasidinte soodiyam-amoniyathinte uppu racemic misrithangalil asaadhaaranamaanu, kaaranam chrystalisation samayat ithu rund tharam paralukalaakki verthirikkaan kazhiyum, oronnum oru isomer kondu nirmmichathaanu, avayude macroscopic kristalin aakruthikal parasparam mirror imajukalaanu. angane, 1848-ll luis paasttarin rund inaantiyomarukale verthirikkaan kazhinju, athilolamaaya tweaserukalum hand lense upayogichu rund tharam paralukale kadinamaayi verthirikkunnu. racemic assid pariharikkanulla thante uddeshyam pasture prakhyaapichu
addeham thante racemic aasidinte resolution prathyeka opttikkal isomerukalaayi avatharippikkumbol 
pinneedulla pepparil, swaabhaavika konkreett reality kairal polytoppukalil ninnulla pasture skechukal orupakshe aadyamaayittaayirikkaam. dhruveekritha prakasham karakkanulla kazhivu nireekshicha jeane baptist biotaanu 1832 ll tartaric aasidinte opttikkal property aadyamaayi nireekshichathu. arther kayley allengil ludwig schlafly, allengil polytopukal padicha mattu samakaalika ganithashaasthranjarkku franch kruthikalekkurichu ariyamaayirunno ennu anjjaathamaanu.
jappanil nadatthiya rund aadhunika punarnirmmanangalil, paralukal thayyarakkunnathu valare punarnirmmikkanaavilna sthaapikkappettu. paralukal roopabhedam sambhavichuvenkilum nagnanethrangal upayogichu parisodhikkaan kazhiyunnathra valuppamullavayaayirunnu (microscope aavasyamilla).

