?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=DISTRIBUSI+LOGAM+BERAT+Cr+DAN+Mn+PADA+SEDIMEN+DI+SEKITAR+PERAIRAN+PELABUHAN+PANJANG+DENGAN+METODE+SPEKTROFOTOMETER+SERAPAN+ATOM+(SSA)&rft.creator=Martha+Selvina+Gultom%2C+1017011062&rft.subject=+&rft.description=Telah+dilakukan+penelitian+distribusi+logam+berat+Cr+dan+Mn+pada+sedimen+di+sekitar+perairan+Pelabuhan+Panjang+Bandar+Lampung.Pengambilan+sampel+dilakukan+dengan+teknik+stratified+sampling.+Konsentrasi+logam+Cr+dan+Mn+ditentukan+dengan+menggunakan+spektrofotometer+serapan+atom+dengan+empat+parameter+validasi+metode+yaitu+limit+deteksi%2Cpresisi+(ketelitian)%2C+akurasi+(kecermatan)%2C+dan+linieritas.+Hasil+analisis+menunjukan+konsentrasi+logam+berat+Cr+berada+pada+rentang+373%2C36+%C2%B1+0%2C22+ppm+sampai+388%2C03+%C2%B1+5%2C15+ppm%2C+sudah+melebihi+ambang+batas+baku+mutu+yang+telah+ditetapkan+oleh+National+Sediment+Quality+Survey+USEPA+yaitu+76%2C00+-+233%2C27+ppm.+Konsentrasi+logam+berat+Mn+berada+pada+rentang+287%2C08+%C2%B1+0%2C44+sampai+290%2C20+%C2%B1+0%2C27+ppm%2Cberdasarkan+National+Sediment+Quality+Survey+USEPA%2C+baku+mutu+konsentrasi+logam+Mn+yaitu+120%2C77+%E2%80%93+284%2C77+ppm%2C+hasil+analisis+menunjukan+logam+Mn+sudah+melebihi+baku+mutu+yang+telah+ditetapkan.+Validasi+metode+pada+penentuan+kadar+Cr+dan+Mn+dalam+sedimen+menunjukan+limit+deteksi+untuk+masing+-+masing+logam+Cr+dan+Mn+adalah+3%2C51+ppm+dan+0%2C26+ppm%2C+presisi+dengan+nilai+relatif+standar+deviasi+(RSD)+%3C+5+%25%2C+akurasi+pada+rentang+93%2C62+%25+%E2%80%93+109%2C81%25+untuk+logam+Cr+dan+94%2C45+%25+%E2%80%93+107%2C22+%25+untuk+logam+Mn+dan+nilai+koefisien+korelasi+untuk+logam+Cr+dan+Mn+adalah+0%2C99969+dan+0%2C99867.%0D%0AKata+Kunci%3A+Kromium%2C+Mangan%2C+Pelabuhan+Panjang%2C+Spektrofotometer+Serapan+Atom%0D%0A%0D%0ADistribution+of+heavy+metals+Cr+and+Mn+in+sediment+of+Panjang+port+Bandar+Lampung+was+conducted.+Sample+collected+used+stratified+sampling+technique.+Metals+concentration+of%0D%0ACr+and+Mn+was+determined+by+using+spectrophotometer+atomic+absorption.Validation+method+was+performed+by+limit+of+detection%2Cprecision%2Caccuracy%2C+and+linearity.+The+result+showed+that+the+concentration+of+Cr+ranged+from+373%2C36+%C2%B1+0%2C22+ppm+to+388%2C+03+%C2%B1+5%2C15+ppm%2C+indicating+above+the+quality+standards+set+of+the+National+Sediment+Quality+Survey+USEPA+(76%2C00+%E2%80%93+233%2C27+ppm).+Heavy+metal+concentration+of+Mn+ranged+from+287%2C08+%C2%B1+0%2C44+ppm+to+290%2C20+%C2%B1+0%2C27+ppm.+The+result+showed+that+the+concentration+of+Mn+have+exceeded+the+quality+standard+of+USEPA+(120%2C77+%E2%80%93+284%2C77+ppm).+Validation+of+the+method+on+determining+the+level+of+Cr+and+Mn+metal+in+the+sediments+showed+limit+of+detection+for+heavy+metal+Cr+and+Mn+of+3%2C51+ppm+and+0%2C26+ppm%2C+respectively.+The+high+precision+performing+the+relative+standard+deviation+values+(RSD)+%3C+5%25%2C+accuracy+ranging+94%2C45+%E2%80%93+107%2C22%25%2C+respectively.+The+last+correlation+coefisient+value+for+Cr+and+Mn+metal+of+0%2C99969+and+0%2C99867%2C+respectively.%0D%0AKey+words+%3A+Chromium%2C+Manganese%2C+Panjang+port%2C+Atomic+Absorption+Spectrophotometer+%0D%0A&rft.publisher=Fakultas+MIPA&rft.date=2014-12-09&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F106%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F107%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F2%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F3%2FHALAMAN%2520PERSETUJUAN%2520%25282%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F4%2FHALAMAN%2520PENGESAHAN%2520%25282%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F5%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F6%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F7%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F8%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F9%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F10%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F11%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F12%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F13%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F14%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F15%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F16%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5968%2F17%2FDAFTAR%2520PUSTAK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