iodine is an essential trace element in the human diet. the following work presents the latest information concerned with iodine determination in raw milk, in iran. iodine content of milk was determined by sandell-kolthoff method where the samples were taken from holstein dairy cows, in shahrkord, the central part of iran. thirty six samples were taken from transportation tanks in semi industri...

There is strong evidence that humoral and cell mediated immune responses are involved in the clearance of viruses including hepatitis virus B and C, on the other hand exposure to industrial pollutants, including heavy metals and organic chemicals, are known to cause immunosuppression. Present study was conducted to find any association between the industrial pollution and incidence of hepatitis...

This paper describes the development of an image analysis system for wear particles found in industrial equipment lubricating oil. Hence, it was utilized an image acquisition system to capture image samples of the oil held in filter membranes. An analytical methodology was also developed to classify the particles quantitatively and qualitatively, relating them to the wear mode where they had be...

A comprehensive comparison of the levels and profiles of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/F) in fly ash samples from multiple industrial sources may help to prioritize sources and to understand discrepancies in profiles. In this study, PCDD/F data from 113 fly ash samples from 14 sources reported in previous studies were summarized and compared. The highest PCDD/F level...

Ferron has been used as an analytical reagent for the extractive spectrophotometric determination of molybdenum(V) obtained from the reduction of molybdenum(VI) with ascorbic acid. Molybdenum(V) in presence of a large number of cations, anions and complexing agents forms a yellow complex with ferron that is quantitatively extractable into tri-n-octylamine-chloroform from 1 M H2SO4 medium. The c...

Background: Soil serves as a major reservoir for contaminants as it can bind to various chemicals. The aim of this study was to evaluate the levels of some metals (Cd, Cu, Fe and V) in soil samples collected from different stations of Ahvaz Industrial Complex II to determine the natural and anthropogenic contribution of metal in the soil. Methods: This was an experimental study that carried ou...

INTRODUCTION This survey aims at proposing reference values of metals in the hair, in the copper-belt (Province of Katanga). MATERIALS AND METHODS We ran a descriptive study, in an etiologic perspective, on a sample of non-industrial population, constituted by students of the University of Lubumbashi, healthy and without medical treatment (n  = 109). Hair samples were analyzed by Inductively ...

Microwave plasma torch (MPT), traditionally used as the light source for atomic emission spectrophotometry, has been employed as the ambient ionization source for sensitive detection of uranium in various ground water samples with widely available ion trap mass spectrometer. In the full-scan mass spectra obtained in the negative ion detection mode, uranium signal was featured by the uranyl nitr...

In this study, an industrial polycrystalline SiC tile was successfully sintered by pressureless sintering at 2150°C for 1 hour. The physical and mechanical properties of silicon carbide including density, hardness, bending strength, and fracture toughness were evaluated. The results indicated that the mentioned properties were 3.08 g.cm-3, 2503 HV0, 249.3 MPa, and 1.23 MPam0.5</...