Results 11 to 20 of about 18,361 (259)

Lacrimal Sac Dacryoliths-Pathogenesis and Composition

open access: yesTürk Oftalmoloji Dergisi, 2013
The Main objective of the present study is to review the literature about the chemical composition and the formation of dacryoliths. Dacryoliths are calculi of the lacrimal system observed incidentally during dacryocystorhinostomy.
Serdar Özer, Pınar Altıaylık Özer
doaj   +1 more source

Analisis Logam Besi (Fe) Dalam Air PDAM Di Kabupaten Pidie Jaya Menggunakan Spektrofotometer Serapan Atom

open access: yesJurnal Serambi Engineering, 2020
All living things need water, because water is the most important essential material for life. One of the substances in water is iron (Fe). According to Permenkes RI number 492 / MENKES / PER / VI / 2010 levels of iron (Fe) allowed in drinking water is 0.
Ernita Silviana   +4 more
doaj   +1 more source

Undesirable metals content in wheat of different wheat varieties [PDF]

open access: yesActa Periodica Technologica, 2008
Selected samples of the different wheat varieties grown in the local region were tested for the content of undesirable metals in wheat grains, bran and flourdetermined by atomic absorption spectrophotometry.
Stefanović Violeta Ž.   +2 more
doaj   +1 more source

Determination of Lead (Pb) in stools of Lontra longicaudis (Olfers, 1818) by flame atomic absorption spectrometry (FAAS)

open access: yesEclética Química, 2018
The determination of metallic elements by flame atomic absorption spectrophotometry reaffirms the success of the technique for ecological and toxicological studies of environmental contamination.
Nubya Gonçalves Cavallini   +5 more
doaj   +1 more source

PHOTOCATALYTIC REDUCTION OF Cu(II) ION AND TiO2-CATALYZED PARACETAMOL PHOTODEGRADATION AS AN ALTERNATIVE METHOD IN WASTE TREATMENT

open access: yesAlchemy, 2016
Recently, the issue of heavy metals are wastes is become popular such as Cu, Co, Pb, and etc. Furthermore, the presence of Cu together with paracetamol as pharmacy waste. Photocatalytic process could be an alternative to avoid the situation.
Devina Ingrid Anggraini   +2 more
doaj   +1 more source

Recent trends of copper detection in water samples

open access: yesBulletin of the National Research Centre, 2021
Background Water pollution due to the disposal of heavy metals in water bodies is one of the most global concerns that adversely affect the ecosystem and human health because of their non-biodegradability and potential of accumulation.
Ahmed M. Elkhatat   +7 more
doaj   +1 more source

Comparison of the Determination of Magnesium by Methylthymol Blue Spectrophotometry and Atomic Absorption Spectrophotometry [PDF]

open access: yescclm, 1994
Plasma samples (n = 155) of 30 patients on an intensive ward were analysed for magnesium simultaneously by atomic absorption spectrophotometry (AAS) and methylthymol blue spectrophotometry. Methylthymol blue spectrophotometry was performed at the bedside, using two different multianalysers, Easy ST 1 and Easy ST 2, Merck, D-Darmstadt.
Saur, Petra M. M.   +6 more
openaire   +3 more sources

Analiza comparativă a concentraţiilor ionilor metalici în condiţiile utilizării de aparatură de laborator diferită [The comparison between the concentrations of metallic ions obtained in the same laboratory using different apparatus] [PDF]

open access: yesBucovina Forestieră, 2004
In the framework of ICP Forests, within the period 1997-1999, the concentrations of Na and Mg in precipitation samples collected in open field and under the wood canopy were determined in the laboratory of ICAS Campulung by atomic absorption ...
Iacoban C, Barbu I, Macoveanu M
doaj  

Analysis of Heavy Metals in Shellfish in Tanjung Balai Waters

open access: yesJournal of Food and Pharmaceutical Sciences, 2022
: Shellfish is a source of toxic heavy metals and the maximum levels of heavy metals allowed in shellfish by BPOM RI are Lead 1.5 mg/kg, Cadmium 1 mg/kg and Copper 20 mg/kg.
Reny Yuliana Siahaan   +2 more
doaj   +1 more source

Optimization of Solid Phase Extraction for Trace Determination of Cobalt (II) Using Chromosorb 102 in Biological Monitoring [PDF]

open access: yesInternational Journal of Occupational Hygiene, 2010
Cobalt is widely used in different industrial processes for production of various synthetic materials. For assessment of human exposure to toxic metal of Co (II), environmental and biological monitoring are essential processes, in which, preparation of ...
Seyed Jamaleddin Shahtaheri   +3 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy