P - Mathematics and Natural Sciences: Recent submissions
Now showing items 61-80 of 147
-
PEMAHAMAN KOGNITIF SISWA TENTANG STRUKTUR ATOM DAN SISTEM PERIODIK UNSUR SETELAH DIAJAR DENGAN MODEL PEMBELAJARAN FLIPPED CLASSROOM TIPE PEER INSTRUCTION FLIPPED
(Seminar Nasional Kimia dan Pendidikan Kimia 2019, 2019)Penelitian ini bertujuan untuk mengetahui pemahaman kognitif siswa tentang struktur atom dan sistem periodik unsur setelah diajar dengan model pembelajaran flipped classroom tipe peer instruction flipped (PIF). Penelitian ... -
AKTIVITAS ANTI JAMUR EKSTRAK METANOL DAUN Sonneratia alba TERHADAP Candida albicans
(Seminar Nasional Kimia dan Pendidikan Kimia 2018, 2018)Penelitian ini dilakukan untuk mengetahui senyawa metabolit sekunder yang terdapat ekstrak metanol daun Sonneratia alba dan potensinya sebagai anti jamur, terutama jenis Candida albicans. Metode ekstraksi yang dilakukan ... -
UJI FITOKIMIA DAN AKTIVITAS ANTIBAKTERI EKSTRAK METANOL PADA JARINGAN AKAR MANGROVE Rhizophora mucronata TERHADAP BAKTERI Escherichia coli DAN Staphylococcus aureus
(Prosiding Seminar Nasional Kimia (SNK) 2016, 2016-08-10)Rhizophora mucronata merupakan salah satu jenis tumbuhan mangrove yang paling penting dan paling tersebar luas. Meskipun Indonesia memiliki beragam jenis mangrove namun pemanfaatan mangrove sebagai produk obat dan makanan ... -
SENYAWA METABOLIT SEKUNDER EKSTRAK METANOL DAUN MANGROVE SONNERATIA ALBA DAN SIFAT TOKSISITASNYA
(Prosiding Seminar Nasional Kimia FMIPA Unmul, 2017)Sonneratia alba is one of the most important and widespread mangrove species. Although Indonesia has various types of mangroves but the utilization of mangroves as medicinal products, food and health has not been done ... -
THE EFFECT OF APPLICATION OF 5E LEARNING CYCLE MODEL COMBINED NUMBERED HEAD TOGETHER (NHT) TOWARD CHEMISTRY LEARNING OUTCOMES ON THE SUBJECT OF SALT HYDROLYSIS IN XI SCIENCE STUDENTS AT SENIOR HIGH SCHOOL YOT 1 TANAH 2014/2015
(International Seminar Chemistry Education Faculty of Teacher Training and Education Mulawarman University, 2015-04)This study aims to determine the effect of application of 5E learning cycle model combined numbered head together (NHT) toward chemistry learning outcomes on the subject of salt hydrolysis in XI science students at Senior ... -
The Potential of Secondary Metabolites Compounds of Methanol Extract Stem Bark Melochia Umbellate as Anti-Bacterial
(International Seminar Chemistry Education Faculty of Teacher Training and Education Mulawarman University, 2015-04)A Study antibacterial essay of the methanol extracts of steam bark M.umbellate (Houtt) Stapf var. degrabrata (Paliasa). The results of this study showed that the methanol extract from the bark of M. umbellate (Houtt) ... -
PEMANFAATAN TULANG IKAN SEBAGAI ALTERNATIF PEMERKAYA FOSFOR PUPUK NPK BERBAHAN DASAR LIMBAH SLUDGE INDUSTRI SAWIT
(Prosiding Seminar Nasional ke 1 Tahun 2017, 2017)ABSTRAK Penelitian ini bertujuan untuk meningkatkan kandungan fosfor pupuk organik dari limbah sludge sawit sehingga diperoleh pupuk NPK dengan kandungan fosfor yang memenuhi persyaratan Standar Nasional Indonesia (SNI). ... -
PERBANDINGAN METODE DESTRUKSI WET DIGESTER DENGAN MUFFLE FURNACE PADA PENENTUAN KADAR Pb2+(TIMBAL) DALAM RAMBUT
(Seminar Nasional Kimia 2017, 2017)ABSTRACT An appeal has been tested for two methods of Wet Digester destruction with Muffle Furnace for determination of Pb (lead) metal ion content in hair. The Wet Digester destruction uses temperature 578oC for 4 hours ... -
ANALISIS FITOKIMIA, TOKSISITAS DAN ANTIOKSIDAN EKSTRAK SERBUK SARI (Bee pollen) LEBAH Trigona spp.
(2016-04-20)ABSTRACT Phytochemical analysis, toxicity test, the antioxidant activity and secondary metabolites of bee pollen a hive products Trigona spp. has been investigated. Bee pollen samples extracted with ethanol by masseration ... -
Effect of water decoction of Langsat bark (Lansium domesticum Corr.) on estrous cycle and uterus weight in mice (Mus musculus L.)
(AIP Publishing LLC, 2017-05-17) -
PERBANDINGAN METODE DESTRUKSI WET DIGESTER DENGAN MUFFLE FURNACE PADA PENENTUAN KADAR Pb2+ (TIMBAL) DALAM RAMBUT
(Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRACTAn appeal has been tested for two methods of Wet Digester destruction with Muffle Furnace for determination of Pb (lead) metal ion content in hair.The Wet Digester destruction uses temperature 578oC ... -
PEMANFAATAN AMPAS TAHU SEBAGAI ARANG AKTIF DALAM MENURUNKAN KADAR COD, NITRIT DAN NITRAT PADA LIMBAH CAIR INDUSTRI TAHU
(Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRACTUtilization of dregs as activated charcoal in lowering COD, Nitrite and Nitrate in tofu industry liquid waste.This research has been conducted to know the variation of time and pH value on decreasing ... -
ANALISIS KADAR ION LOGAM TIMBAL (Pb2+) PADA AIR, IKAN PATIN (Pangasius pangasius), IKAN MAS (Cyprinus carpio L.) DAN IKAN NILA (Oreochromis sp.) DI DANAU BEKAS GALIAN TAMBANG BATUBARA KECAMATAN TENGGARONG SEBERANG
(Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRACTAn Analysis of Lead Metal Ion Levels (Pb2+) has been conducted on water, Cat fish (Pangasius pangsius), Gold fish (Cyprinus carpio L)and Parrot fish (Oreochromis sp.)in abandoned coal mine lake in ... -
PEMANFAATAN ARANG AKTIF DARI KULIT BUAH BINTARO (Cerbera Manghas) SEBAGAI ADSORBEN ION LOGAM Mn (II)
(Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRACTThere has been research on the utilization of activated charcoal carbon as an adsorben of cerbera manghas shell in metal ions Mn. This research was intended to find the effects of pH value, contact ... -
PEMANFAATAN KARBON AKTIF DARI ARANG TEMPURUNG KELAPA SEBAGAI KATALIS PADA SINTESIS n-BUTIL ESTER DARI MINYAK JELANTAH
(Prosiding Seminar Nasional Kimia 2017, 2017)ABSTRAKPenelitian tentang pemanfaatan karbon aktif dari arang tempurung kelapa sebagai katalis dalam sintesis n-butil ester telah dilakukan. Arang aktif tersulfonasi ini dibuat dengan mereaksikan ... -
PEMANFAATAN DIMENSI SETTLING POND UNTUK PENURUNAN PENCEMARAN KIMIA-FISIK AIR LIMBAH PERTAMBANGAN BATUBARA
(PROSIDING SEMINAR NASIONAL KIMIA BERWAWASAN LINGKUNGAN (SNK-BL) 2020, 2020)The use of settling pond dimensions in coal mining has been widely used to reduce chemical-physical pollution of wastewater. This study aims to take advantage of the dimensions of the settling ...