?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+BIOASSAY+FLY+ASH++BATUBARA+TERHADAP+Dapnia+magn&rft.creator=VIKI%2C+RAMADAN&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.description=Fly++ash++merupakan++salah++satu++limbah++proses++pembakaran++batubara.++Fly++ash+mempunyai++kandungan++mineral++okisda++dan++logam++berat.++Mineral++oksida++fly++ash+dapat++dimanfaatkan++untuk++bahan++adsorben%2C++tambahan++pada++industri++semen++dan+pembenah++lahan++(soil++conditioner).++Namun++kandungan++logam++berat++pada++fly++ash+tidak++mampu++diurai++oleh++mahluk++hidup++dan++berpotensi++terakumulasi++pada+organisme.++Metode++bioassay++adalah++metode++yang++digunakan++untuk++mengetahui+pengaruh++suatu++bahan++terhadap++organisme.++Metode++ini++memaparkan++suatu++bahan+secara++langsung++terhadap++organisme++uji.++Dapnia++magna++merupakan++salah++satu+organisme++yang++digunakan++sebagai++organisme++standar++dalam++uji++bioassay%2C+memiliki+siklus+hidup+yang+relatif+singkat%2C+dan+sensitivitas+terhadap+zat+pencemar.+Penelitian++ini++bertujuan++untuk++mengetahui++nilai++LC50++96++jam++pemaparan++fly++ash+terhadap++hewan++uji%2C++serta++perubahan++lingkungan++pada++kolam++percobaan++yang+diinduksi+fly+ash.+Pada+penelitian+ini+dilakukan+3+kali+uji+pendahuluan+dilanjutkan+dengan++uji++sesungguhnya.++Konsentrasi++yang++digunakan++pada++uji++sesungguhnya+berupa++15.000%2C++21.000%2C++30.000%2C++45.000%2C++65.000%2C++94.000%2C++137.000%2C++dan++199.000+ppm.++Pengujian++dilakukan++selama++96++jam++dengan++4++kali++pengulangan.++Hasil+penelitian+menunjukan+analasis+probit+nilai++LC50++96+jam+berada+pada+konsentrasi+50.251++ppm.++Berdasarkan++kriteria++toksisitas++nilai++LC++yang++didapatkan++masuk++ke+dalam+kategori++almost+non+toxic.+Hasil+pengukuran+parameter+lingkungan+berupa+nilai+suhu+didapatkan+rata-rata+nilai+suhu++25%2C8+%E2%80%93+27%2C6++oC%2C++rata-rata++nilai+pH++8%2C1+%E2%80%93+8%2C4+(bersifat+alkalin)+%2C+rata+nilai+salinitas+0%2C15+%E2%80%93+0%2C5+ppt.%0D%0AKata+Kunci%3A+Bioassay%2C+D.+magna%2C+Fly+ash%0D%0AFly++ash++is++one++of++the++waste++products++of++coal++combustion.++Fly++ash++contains+inorganic+materials+that+have+elements+and+heavy+metals.++Fly+ash+oxide+minerals+can++be++utilized++as++adsorbents%2C++additives++in++the++cement++industry++and++soil+conditioners.+However%2C+the+heavy+metal+contained+in+fly+ash+is+not+biodegradable+and++has++the++potential++to++accumulate++in++organisms.++The++bioassay++method++is++a+method++used++to++determine++the++effect++of++a++material++on++organisms.++This++method+exposes++a++material++directly++to++the++test++organism.++Dapnia++magna++is++one++of++the+organisms+used+as+a+standard+organism+in+bioassay+tests%2C+has+a+relatively+short+life+cycle%2C+and+is+sensitive+to+pollutants.+This+research+aims+to+determine+the+96-hour+LC50+value+of+fly+ash+exposure+to+test+animals%2C+as+well+as+environmental+changes+in++fly++ash-induced++experimental++ponds.++In++this++research%2C++3++preliminary++tests++were+carried+out+followed+by+the+real+test.+The+concentrations+used+in+the+real+test+were+15%2C000.+21%2C000.+30%2C000.+45%2C+000.++65%2C000.+94%2C000.+137%2C000.+and+199%2C000+ppm.+The+results+showed+probit+analysis+of+96-hour+LC50+value+at+a+concentration+of+50%2C251+ppm.+Based+on+the+toxicity+criteria%2C+the+LC+value+obtained+falls+into+the+non-toxic+category.++The++measurement++results++of++environmental++parameters++obtained++an+average++temperature++value++of++25.8++%E2%80%93++27.6++oC%2C++an++average++pH++value++of++8.1++%E2%80%93++8.4+(alkaline)%2C+an+average+salinity+value+of+0.15+%E2%80%93+0.5+ppt.+%0D%0AKata+Kunci%3A+Bioassay%2C+D.+magna%2C+Fly+ash+&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2023-08-08&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F75286%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F75286%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F75286%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++VIKI%2C+RAMADAN++(2023)+STUDI+BIOASSAY+FLY+ASH+BATUBARA+TERHADAP+Dapnia+magn.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F75286%2F