?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENENTUAN+KANDUNGAN+LOGAM+BERAT+MERKURI+(Hg)%2C+KADMIUM+(Cd)%2C+DAN+KROMIUM+(Cr)+PADA+SEDIMEN+DI+PERAIRAN%0D%0ALAMPUNG+SELATAN+SECARA%0D%0ASPEKTROFOTOMETRI+SERAPAN+ATOM&rft.creator=RIZA+UMAMI%2C+1417011095&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Telah+dilakukan+penelitian+penentuan+kandungan+logam+berat+merkuri+(Hg)%2C%0D%0Akadmium+(Cd)%2C+dan+kromium+(Cr)+pada+sedimen+di+perairan+Lampung+Selatan%0D%0Apada+tiga+lokasi+yaitu+PT.+Bukit+Asam%2C+Katibung+dan+Sebalang.+Kandungan+logam%0D%0Aberat+tersebut+ditentukan+mengunakan+metode+Spektrofotometri+Serapan+Atom%0D%0A(SSA)+dengan+empat+parameter+validasi+metode+yaitu+linearitas%2C+batas+deteksi+dan%0D%0Abatas+kuantifikasi%2C+akurasi+dan+presisi.+Hasil+analisis+menunjukkan+bahwa%0D%0Akandungan+logam+berat+Hg+pada+ketiga+lokasi+secara+berturut-turut+yaitu+1%2C4648%0D%0Appm%2C+1%2C0566+ppm%2C+dan+1%2C3102+ppm.+Kandungan+logam+berat+Cd+pada+ketiga+lokasi%0D%0Asecara+berturut-turut+yaitu+10%2C1092+ppm%2C+6%2C7553+ppm+dan+8%2C6303+ppm.+Kandungan%0D%0Alogam+Cr+pada+ketiga+lokasi+secara+berturut-turut+yaitu+25%2C8332+ppm%2C+12%2C0288%0D%0Appm+dan+14%2C4201+ppm.+Konsentrasi+logam+Hg+dan+Cd+sudah+diatas+baku+mutu%2C%0D%0Asedangkan+logam+Cr+berada+di+bawah+baku+mutu+yang+di+tetapkan+oleh+National%0D%0ASediment+Quality+Survey+USEPA.+Metode+validasi+menunjukkan+nilai+yang+sesuai%0D%0Adengan+keberterimaan+AOAC+yaitu+untuk+linearitas+yang+diperoleh+dari+nilai%0D%0Akoefisien+korelasi%2C+pada+ketiga+logam+yaitu+Hg+%3D+0%2C998%2C+Cd+%3D+1+dan+Cr+%3D+1.+Nilai%0D%0ALoD+logam+Hg%2C+Cd+dan+Cr+secara+berturut-turut+yaitu+1%2C7830+ppb%2C+0%2C8149+ppm+dan%0D%0A0%2C2157+ppm.+Nilai+LoQ+dari+logam+Hg%2C+Cd+dan+Cr+secara+berturut-turut+yaitu%0D%0A5%2C9432+ppb%2C+2%2C7163+ppm+dan+0%2C7190+ppm.+Rerata+akurasi+yang+diperoleh+dari+%25%0D%0Arecovery+untuk+logam+Hg+101%2C6319%25%2C+Cd+100%2C8920%25%2C+dan+Cr+100%2C1449%25.+Nilai%0D%0Apresisi+yang+ditunjukkan+oleh+%25+RSD+untuk+Hg+0%2C10%E2%80%930%2C60%25%2C+Cd+1%2C58-4%2C30%25+dan%0D%0ACr+1%2C90-5%2C77%25.%0D%0AKata+kunci+%3A+Logam+berat%2C+sedimen%2C+Hg%2C+Cd%2C+Cr%2C+Spektrofotometri+Serapan+Atom%0D%0A%0D%0AResearch+on+determination+of+heavy+metal+of+mercury+(Hg)%2C+cadmium+(Cd)%2C+and%0D%0Achromium+(Cr)+in+sediments+from+the+coastal+of+South+Lampung+at+three+locations%0D%0A%3APT+Bukit+Asam%2C+Katibung+and+Sebalang+have+been+done.+The+heavy+metal+was%0D%0Adetermined+using+the+Atomic+Absorption+Spectrophotometry+(AAS)+method+with%0D%0Afour+validation+method+parameters+%3A+linearity%2C+limit+of+detection+(LoD)+and+limit+of%0D%0Aquantification+(LoQ)%2C+accuracy+and+precision.+The+results+showed+that+Hg%0D%0Aconcentration+in+the+three+locations+was+1.4648+ppm%2C+1.0566+ppm+and+1.3102%0D%0Appm%2C+respectively.+The+Cd+concentration+in+all+three+locations+was+10.1092+ppm%2C%0D%0A6.7553+ppm+and+8.6303+ppm.+The+Cr+concentration+in+the+three+locations+was%0D%0A25.8332+ppm%2C+12.0288+ppm+and+14.4201+ppm.+The+concentration+of+the+Hg+and%0D%0ACd+is+above+the+quality+standard+of+The+National+Sediment+Quality+Survey+USEPA%0D%0Aotherwise+the+concentration+of+the+Cr+is+below+the+quality+standard.+Validation%0D%0Amethod+was+accepted+to+The+AOAC+standard+with+the+linearity+obtained+from+the%0D%0Acorrelation+coefficient+value+of+each+metal+are0.998+inHg%2C+1+for+the+Cd+and+1+for%0D%0ACr.+LoD+of+Hg%2C+Cd+and+Cr+were+1.7830+ppb%2C+0.8149+ppm+and+0.2157+ppm.+LoQ+of%0D%0AHg%2C+Cd+and+Cr+metals+were+5.9432+ppb%2C+2.7163+ppm+and+0.7190+ppm+respectively.+The+accuracy+obtained+from+the+recovery%2C+is+101.6319%25+for+Hg%2C+100.8890%25+for%0D%0ACd%2C+and+100.1449%25+for+Cr.+The+precision+obtained+from+RSD+is+0.10-0.60%25+for%0D%0AHg%2C+1.58-4.30%25+for+the+Cd+and+1.90-5.77%25+for+Cr.+Keywords+%3A+Heavy+metal%2C+sediment%2C+Hg%2C+Cd%2C+Cr%2C+Atomic+Absorption%0D%0ASpectrophotometry%0D%0A%0D%0A&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57130%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57130%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57130%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++RIZA+UMAMI%2C+1417011095++(2019)+PENENTUAN+KANDUNGAN+LOGAM+BERAT+MERKURI+(Hg)%2C+KADMIUM+(Cd)%2C+DAN+KROMIUM+(Cr)+PADA+SEDIMEN+DI+PERAIRAN+LAMPUNG+SELATAN+SECARA+SPEKTROFOTOMETRI+SERAPAN+ATOM.++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57130%2F