Browsing P - Mathematics and Natural Sciences by Title
Now showing items 103-122 of 147
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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 ... -
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 ... -
PIROLISIS MIKROALGA BOTRYOCOCCUS BRAUNII DENGAN VARIASI LAJU PEMANASAN MENGGUNAKAN THERMOGRAVIMETRIC ANALYSER
(HKI, 2021-10-03)Pyrolysis of microalgae Botryococcus braunii with a Thermogravimetric Analyzer (TGA) has been carried out. This study aims to study the characteristics and potential of microalgae B. braunii as a renewable energy source ... -
POTENSI AKTIVITAS ANTIOKSIDAN EKSTRAK METANOL DAUN KELEDANG (Artocarpus lanceifolius Roxb)
(Jurusan Kimia FMIPA Universitas Mulawarman, 2021-10-03) -
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) ... -
A Preliminary Study for Simple Physics Models of Coconut Tree
(IOP Science, 2019)An investigation of how coconut palm tree withstands gale force winds has been performed. When observed carefully, the motion of the stalks and leaves affected the wind resistance. The stalks and leaves move randomly ... -
A Preliminary Study on Indigenous Bacillus spp. Isolated from Acidic Soil as Agent of Bioinsecticide
(Faculty of Mathematics and Natural Sciences, Mulawarman University, 2022-10-11)Bacillus spp. are the most abundant bacteria in the soil and release a wide range of benefits. Especially to produce the specific toxin for inhibiting mosquito life cycle. This study aimed to isolate Bacillus spp. from ... -
Production of Bioethanol from Dragon Fruit Wastes by Using Aspergillus niger and Saccharomyces cerevisae
(Atlantis Press, 2022-01-05)East Kalimantan can produce dragon fruit throughout the year, while East Java is only in the rainy season. This fruit will be produced abundantly when the peak season comes and often becomes waste. To reduce this cellulosic ... -
Pyrolysis-GC/MS study of fast growing wood Macaranga gigantea
(IOP Publishing Ltd., 2019-08-16)Py-GC/MS study on fast growing wood Macaranga gigantea at different temperatures has been conducted. The pyrolysis yields and chemical compounds obtained based on the pyrograms of the biomass by Py-GC analyses were compared ... -
A rapid in vitro protocol for callus production in Piper aduncum L. propagation of East Kalimantan supplemented with gradient sucrose solutions
(IOP:Journal of Physics: Conference Series, 2018-04)Piper aduncum L. is a medicinal plant which contains important active compounds such as phenyl propanoids, lignoids and flavonoids. Furthermore, it is one of larvicidal agent against mosquitoes Aedes aegypti L. Alternative ... -
Seed Germination and Cuttings Growth of Piper Aduncum
(IOP Conference Series: Earth and Environmental Science, 2018)Sirih hutan (Piper aduncum L)is one of group shurbs tropical species, has potential to be developed as raw material of biomass based electricity. The aim of this research was to know seed germination and cuttings growth ... -
Senar nasional matematika, statistika dan aplikasinya
(2021-08-28) -
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 ... -
SENYAWA TURUNAN OLEANAN DARI KULIT BATANG Melochia umbellata (Houtt) Stapf var. DEGRABRATA K DAN BIOAKTIVITASNYA
(Seminar Nasional Kimia dan Pendidikan Kimia UNS, 2015-04-18)Senyawa turunan oleanan 3-asetil-12-oleanen-28-oat diisolasi dari fraksi n-heksan kulit batang M. umbellata (Houtt) Stapf var. degrabrata K. Struktur molekul ditentukan melalui analisis data spektroskopi IR, NMR 1D dan NMR ... -
Sertifikat_Penelitian
(2021) -
SINTESIS DAN STABILITAS NANOPARTIKEL PERAK (AgNPs) MENGGUNAKAN TRINATRIUM SITRAT
(Jurusan Kimia FMIPA Universitas Mulawarman, 2021-10-03)Sintesis nanopartikel perak (AgNPs) dibuat dengan metode reduksi kimia. Reaksi antara perak nitrat (AgNO3) dengan trinatrium sitrat akan membentuk nanopartikel perak (AgNPs) yang ditandai dengan perubahan warna yang ... -
Slow pyrolysis of fast growing wood Macaranga gigantea
(IOP Publishing Ltd., 2019-08-16)Slow pyrolysis of fast growing wood Macaranga gigantea has been studied. The product yields and chemical composition of products obtained from the experiments under different conditions (temperature, reaction time, sample ...