Results 61 to 70 of about 556,407 (206)

Analisis Krom (VI) pada air muara suangai Banjir Kanal Timur dengan Spektrofotometri UV-Vis.

open access: yes, 1998
Telah dilakukan penentuan kadar Krom (VI) dalam air muara Sungai Baniir Kanal Timur Semarang dengan spektrofotometri UV - Vis. Pemisahan Krom (VI) dari unsur pengganggu dilakukan secara ekstraksi dengan menggunakan pereaksi kupferron dan pelarut ...
Prihastaningsih , Prihastaningsih
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Alloyed Nanoparticles with Lipid Coatings [PDF]

open access: yes, 2018
Monodisperse silver and gold alloy nanoparticles of controlled composition and size were synthesized for the development of a potential drug delivery system.
Falcon Ontiveros, Fatima, Gilbert, Brian
core   +1 more source

A comparative analysis of the UV/Vis absorption spectra of nitrobenzaldehydes. [PDF]

open access: yes, 2011
In a joint experimental and theoretical study, the UV/Vis absorption spectra of the three isomers (ortho, meta, para) of nitrobenzaldehyde (NBA) were analyzed. Absorption spectra are reported for NBA vapors, cyclohexane and acetonitrile solutions.
Ahlrichs   +39 more
core   +1 more source

A rapid method for methanol quantification in spirits using UV-visible spectroscopy and FTIR [PDF]

open access: yesPeerJ Analytical Chemistry
Although standards methods of food safety assessment are important, these methods are relatively expensive and require intensive work and time. In alcohol beverage industries, ultraviolet visible (UV-Vis) spectroscopy and Fourier transform infrared (FTIR)
Ronick S. Shadrack   +6 more
doaj   +2 more sources

Studi Penggunaan Uv-vis Spectroscopy Dan Kemometrika Untuk Mengidentifikasi Pemalsuan Kopi Arabika Dan Robusta Secara Cepat [PDF]

open access: yes, 2017
There are two popular coffees in Indonesia, namely Arabica and Robusta coffees. Arabica coffee has a better quality than Robusta do. This research aimed to identify the purity of Arabica coffee; and Robusta as mixture ingredient, by using technology of ...
Iriani, R. (Riri)   +4 more
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Stabilization of DAPI in Base-Catalyzed Sol-Gels Using Surface Enhanced Raman Spectroscopy [PDF]

open access: yes, 2017
Sol-gels can be used as substrates for sensory materials in solutions. A fluorescent dye that binds to DNA, 4’,6-diamidino-2-phenylindole (DAPI), could be used as a biosensor for a solution.
Atkinson, Elizabeth J.O., Mason, David
core   +1 more source

Perbedaan Kadar Trigliserida Menggunakan Alat Spektrofotometer Uv-Vis dengan Fotometer pada Mahasiswa Obesitas di Universitas ‘Aisyiyah Yogyakarta

open access: yesJournal of Health (JOH)
Laboratory tests are used to help diagnose diseases. One of them is the examination of triglyceride levels which is generally performed on obese patients who have a history of cardiovascular disease, type 2 diabetes mellitus, and hypertension.
Mar’atun Soalihah   +2 more
doaj   +1 more source

Green Synthesis of Gold and Silver Nanoparticles Using Averrhoa bilimbi Fruit Extract

open access: yesJournal of Nanotechnology, 2013
We report on rapid one-step green synthesis of gold and silver nanoparticles using fruit extract of Averrhoa bilimbi Linn. UV-Vis absorption spectroscopy was used to monitor the quantitative formation of gold and silver nanoparticles. The characteristics
R. S. Rimal Isaac   +2 more
doaj   +1 more source

Synthesis and Characterization of CuO/graphene oxide composite [PDF]

open access: yes, 2013
Copper oxide and graphene oxide composite have been prepared successfully. The prepared composite have been characterized by XRD, SEM and UV-Vis. Band gap calculation using formula Eg= hʋ from UV-Vis shows a decrease in band gap. The electrical transport
Rout, Smrutirekha
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Radiative transfer modelling for the NOMAD-UVIS instrument on the ExoMars Trace Gas Orbiter mission [PDF]

open access: yes, 2013
The NOMAD (Nadir and Occultation for MArs Discovery) instrument is a 3-channel (2 IR, 1 UV/Vis) spectrometer due to fly on the 2016 ExoMars Trace Gas Orbiter mission.
Dawson, D. G.   +4 more
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