?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+ANALISIS+Pb(II)+MENGGUNAKAN+ASAM+TANAT+EKSTRAK+GAMBIR+(Uncaria+gambir+Roxb.)+SECARA+SPEKTROFOTOMETRI+ULTRAUNGU-TAMPAK&rft.creator=+Dinda+Mezia+Physka%2C+1417011028&rft.subject=Q+Science+(General)&rft.description=Penelitian+mempelajari+reaksi+kordinasi+logam+Pb(II)+dari+senyawa+Pb(NO3)2dengan+asam+tanat+ekstrak+gambir.++Penelitian+ini+bertujuan+untuk+mengembangkan+metode+analisis+mengarah+kepada+kimia+hijau+dengan+memanfaatkan+bahan+alam+dan+mendapatkan+kondisi+optimum+dari+senyawa+kompleks+yang+terbentuk+secara+spektrofotometri+ultraungu-tampak%3B+serta+dapat+meperkirakan+reaksi+yang+terbentuk.++Metode+analisis++digunakan+untuk+mencari+%CE%BB+maksimum%2C+pH+optimum%2C+konsentrasi+optimum%2C+volume+optimum%2C+dan+waktu+kestabilan+optimum.++Asam+tanat+diperoleh+10+mM+panjang+gelombang+maksimum+sebesar+275+nm%2C+sedangkan+panjang+gelombang+maksimum+logam+Pb(II)+diperoleh+277%2C5+nm.++Kondisi+optimum+pembentukan+kompleks+Pb-asam+tanat+ekstrak+gambir+pada+kondisi+%CE%BB+maksimum+450+nm%2C+pH+9%2C+perbandingan+stokiometri+konsentrasi+(4%3A1)%2C+perbandingan+stokiometri+volume+(2%3A1)%2C+dan+waktu+kestabilan+pada+menit+ke+30-60+menit.++Uji+linearitas+Pb(II)+diperoleh+nilai+R2+sebesar+0%2C9996.++Uji+presisi+memberikan+nilai+SD+dan+RSD+sebesar+0%2C012161+dan+1%2C1488+%25.++Nilai+persen+recovery+Pb(II)+sebesar+109%2C998%25.++Hasil+perhitungan+dari+limit+deteksi+memberikan+nilai+0%2C03+dan+nilai+limit+kuantitasi+sebesar0%2C1.%0D%0A%0D%0A%0D%0AKata+Kunci%3A+%09Asam+Tanat%2C+Logam+Pb(II)%2C+Senyawa+Kompleks%2C+Spektrofotometri+Ultraungu-tampak%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AThis+study+aims+to+developed+green+chemistry+method+in+formation+of+complex+Pb(II)-tannic+acid+of+gambier+extract%3B+optimum+conditions+complex+formation+was+conducted+by+using+spectrophotometry+ultraviolet-visible.++The+maximum+wavelength%2C+optimum+pH%2C+optimum+concentration%2C+optimum+volume%2C+and+optimum+time-stability+was+determined.++The+maximum+wavelength+of+tannic+acid+obtained+at+275+nm%2C+whereas+the+optimum+wavelength+of+Pb(II)+achieved+277%2C5+nm.++The+result+showed+that+the+optimum+condition+of+complex+Pb(II)-tannic+acid+was+obtained+at+450+nm%2C+pH+9%2C+with+the+ratio+of+stoichiometry+concentracion+was+(4%3A1)%2Cwith+the+ratio+stoichiometry+volume+was+(2%3A1)%2C+and+stability+time+after+30-60+minutes.++The+linearity+test+toward+Pb(II)+was+achieved+with+the+correlation+coefficient+(R2)of+0%2C9996.++The+precision+was+conducted+in+SD+and+RSD+test%2C+it+is+0%2C012161+and+1%2C1488+%25+respectively+for+Pb(II).++The+recovery+value+of+Pb(II)+was+109%2C998+%25.++The+LoD+and+LoQ+for+this+method+was+0%2C03+and+0%2C1.%0D%0A%0D%0A%0D%0AKeywords%3A%09Tannic+acid%2C+Pb(II)%2C+Complex-formation%2C+Ultraviolet-visible+Spectrophotometry.&rft.publisher=UNIVERSITAS+LAMPUNG&rft.date=2018-08-07&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32908%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32908%2F19%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32908%2F20%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++Dinda+Mezia+Physka%2C+1417011028++(2018)+STUDI+ANALISIS+Pb(II)+MENGGUNAKAN+ASAM+TANAT+EKSTRAK+GAMBIR+(Uncaria+gambir+Roxb.)+SECARA+SPEKTROFOTOMETRI+ULTRAUNGU-TAMPAK.++UNIVERSITAS+LAMPUNG%2C+FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F32908%2F