?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENGGUNAAN+TEKNOLOGI+UV-VIS+SPECTROSCOPY+DAN+KEMOMETRIKA+UNTUK+MENGIDENTIFIKASI+PEMALSUAN+KOPI+ARABIKA+DAN+ROBUSTA+SECARA+CEPAT&rft.creator=+RIRI+IRIANI+%2C+1214071064&rft.subject=Pertanian+(+Umum+)&rft.description=ABSTRAK%0D%0AThere+are+two+popular+coffees+in+Indonesia%2C+namely+Arabica+and+Robusta+coffees.+Arabica+coffee+has+a+better+quality+than+Robusta+do.+This+research+aimed+to+identify+the+purity+of+Arabica+coffee+and+Robusta+as+mixture+ingredient%2C+by+using+technology+of+UV-VIS+spectroscopy+and+multivariate+analysis%2C+with+a+method+of+soft+independent+modelling+of+class+analogy+(SIMCA)+and+principal+component+analysis+(PCA)%0D%0AThe+research+was+conducted+using+coffee+powder+with+size+0%2C297+mm+(50+mesh).+The+research+used+100+samples%3B+sample+1-50+(1+g+of+Arabica)%2C+sample+51-60+(0%2C8+g+of+Arabica+and+0%2C2+g+of+Robusta)%2C+sample+61-70+(0%2C7+g+of+Arabica+and+0%2C3+g+of+Robusta)%2C+sample+71-80+(0%2C6+g+of+Arabica+and+0%2C4+g+of+Robusta)+sample+81-90+(0%2C5+g+of+Arabica+and+0%2C5+g+of+Robusta)%2C+sample+91-100+(0%2C4+g+of+Arabica+and+0%2C6+g+of+Robusta).%0D%0Aii%0D%0AThe+result+of+classification+showed+that+method+of+PCA+and+SIMCA+are+able+to+classify+the+mixture+of+pure+Arabica.+PC1+explained+77%25+various+datas%2C+and+PC2+explained+10%25+various+datas%2C+whilst+from+data+classification+SIMCA+obtained+the+precentage+score+on+accuracy+56%25%2C+sensitivity58%25%2C+and+specificity+0%25%0D%0AKata+kunci+%3A+Arabica+coffee%2C+Robusta+coffee%2C+PCA%2C+SIMCA%2C+UV-Vis+Spectroscopy%0D%0A%0D%0AABSTRACT%0D%0ATanaman+kopi+yang+berkembang+di+Indonesia+terdiri+atas+kopi+Arabika+dan+Robusta.+Kopi+Arabika+memiliki+kualitas+yang+tinggi+dibandingkan+Robusta.+Penelitian+ini+bertujuan+untuk+mengidentifikasi+kemurnian+kopi+Arabika+murni+dan+kopi+Robusta+sebagai+bahan+campurannya+dengan+mengguarkan+teknologi+UV-Vis+spectroscopy+dan+analisis+multivariat+dengan+metode+soft+independent+modelling+of+class+analogy+(SIMCA)+dan+principal+component+analysis+(PCA).%0D%0APengujian+dilakukan+pada+bubuk+kopi+yang+berukuran+0%2C297+mm+(mesh+50).+Sampel+yang+digunakan+pada+penelitian+ini+sebanyak+100+sampel+dengan+perbandingan+campuran+yang+terdiri+dari+sampel+1-50+(masing-masing+1+g+kopi+Arabika)%2C+sampel+51-60+(0%2C8+g+Arabika+dan+0%2C2+g+Robusta)%2C+sampel+61-70+(0%2C7+g+Arabika+dan+0%2C3+g+Robusta+)%2C+sampel+71-80+(0%2C6+g+Arabika+dan+0%2C4+g+Robusta)%2C+sampel+81-90+(0%2C5+g+Arabika+dan+0%2C5+g+Robusta)+dan+sampel+91-100+(0%2C4+g+Arabika+dan+0%2C6+g+Robusta).%0D%0AHasil+klasifikasi+menunjukkan+metode+PCA+dan+SIMCA+mampu+mengidentifikasi+campuran+kopi+Arabika+murni.+PC1+menjelaskan+77%25+keragaman+data+dan+PC2+menjelaskan+10%25+keragaman+data.+Sedangkan+untuk+klasifikasi+data+diperoleh+nilai+persentase+untuk+nilai+akurasi+sebesar+56%25%2C+sensitivitas+58%25+%2C+dan+nilai+spesifisitas+0%25.%0D%0AKata+kunci+%3A+kopi+Arabika%2C+kopi+Robusta%2C+PCA%2C+SIMCA%2C+UV-Vis+Spectroscopy%0D%0A&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2016-12-08&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24897%2F1%2FABSTRACT%2520%2528ABSTRAK%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24897%2F3%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24897%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++RIRI+IRIANI+%2C+1214071064++(2016)+STUDI+PENGGUNAAN+TEKNOLOGI+UV-VIS+SPECTROSCOPY+DAN+KEMOMETRIKA+UNTUK+MENGIDENTIFIKASI+PEMALSUAN+KOPI+ARABIKA+DAN+ROBUSTA+SECARA+CEPAT.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F24897%2F