chromium and nickel
Distribution of nickel and chromium containing particles from tattoo needle wear in humans and its possible impact on allergic reactions
... containing chromium and nickel found in this investigation brings up a new source of sensitizers that need to be considered as additional source in allergy ...
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Influence of Silicon and Phosphorus on Radiation Induced Segregation of Chromium and Nickel in Austenitic Model Alloys
... The set of six equations, two for point defects and four for solutes and additional elements, are solved numerically for concentrations as a function of time and distance from a grain boundary. Solute species (iron, ...
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Copper(II), Chromium(VI) and Nickel(II) Removal from Metal Plating Effluent by Electrocoagulation
... The wastewater used in this study was obtained from Karme Metal Kaplama Sanayi A.Ş. plant with 20 m 3 daily wastewater production capacity located in Fatsa, Turkey. Unicam 929 model atomic absorption spectrophotometer ...
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Optimization of Chromium, Nickel and Vanadium analysis in crude oil using graphite furnace atomic absorption spectroscopy
... This study helps to find out the effective and suitable method for determination of vanadium, chromium and nickel in crude oil and develop a guideline for routine crude oil analysis using GF-AAS. Result ...
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REMOVAL OF CHROMIUM AND NICKEL IN AQUEOUS SOLUTIONS USING GROUNDNUT SHELL POWDER AS AN ADSORBENT Abhilash G*, C R Ramakrishnaiah
... of chromium and nickel, being among the significant toxins from our industries, by thermally and artificially activated groundnut shell powder was ...of chromium and nickel particles onto both ...
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Cobalt, chromium and nickel contents in soils and plants from a serpentinite quarry
... In the soils from these types of tailings, the levels of cop- per (Cu), cobalt (Co), chromium (Cr) and nickel (Ni) are usu- ally high (Brooks, 1987; Brooks et al., 1992; Gambi, 1992; Gough et al., 1989; Oze ...
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The role of intergranular chromium carbides on intergranular oxidation of nickel based alloys in pressurized water reactors primary water
... The oxide penetration 1, along a GB which does not contain any carbide (figure 6), is representative of oxide penetrations found in sample SA. It is composed of about 2 µm long chromium and nickel rich ...
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Release of nickel and chromium ions from orthodontic wires following the use of teeth whitening mouthwashes
... that nickel and chromium ions may have toxic or carcinogenic effects [17, 18], many orthodontists became ...of chromium and nickel ions from NiTi and SS wires at 1, 7, 14, 21, and 28 days and ...
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Bioaccumulation of chromium and nickel by fungal isolates from tannery effluent collection site from Kanpur, Uttar Pradesh, India
... against chromium and ...against chromium and nickel heavy ...of chromium and nickel was determined on the basis of left metal ion concentration in aqueous ...as nickel, ...
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A novel nonelectrolytic process for chromium and nickel coating
... of nickel is usually done in conjunction with a chrome overlay, Ni-Cr coating ...microdiscontinuous chromium layer to combat surface porosity normally affecting the Cr topcoat (see Figure 2) [11, ...
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Impact of agricultural activities on accumulation of Cadmium, Cobalt, Chromium, Copper, Nickel and Lead in soil of Hamedan province
... agricultural soils. Due to concerns about the effects of trace metals in soil fertility and their potential transfer to the human’s diets, we need to quantify the metal inputs to agricultural soils and evaluate the soil ...
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Electrodeposition Of Binary Nickel-Chromium (Ni-Cr) Alloy On Aluminium 1000 Series Substrate In Organic Solvent
... in Nickel Chromium has been studied ...binary nickel alloy of Ni-Cr on the aluminium 1000 series substrate using the electrodeposition method in the organic solvent ...with nickel chloride and ...
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Mechanical Characteristic Behaviour of Medium Carbon Low Nickel Chromium Steel to General Conventional Heat Treatments
... low nickel chromium steel in a tempered martensitic phase has been widely used in various engineering applications, such as the fabrication of gears, shafts and piston rods due to its excellent combination ...
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Biomonitoring for iron, manganese, chromium, aluminum, nickel and cadmium in workers exposed to welding fume: a preliminary study
... manganese, chromium and lead in welder were higher than non-welder, but not different for aluminum, nickel and ...welder, chromium and manganese correlated with smoking status, cadmium correlated ...
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Application of design of experiment technique in the nickel-chromium electroplating process on WC-Co substrate prior HFCVD diamond coating
... 2.2 Materials and their suitable and unsuitable environments 12 2.3 Recommendations of nickel plating solution compositions 19 2.4 Recommendations of chromium plating solution compositions 23 2.5 Some of ...
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PREPARATION OF DENTAL PHOSPHATE BONDED INVESTMENT TO CAST NICKEL: CHROMIUM ALLOYS AND THE EVALUATION OF ITS MECHANICAL AND PHYSICAL PROPERTIES
... An investment composition is described for use in dental investment casting (also called lost wax casting), from Iraqi locally available raw materials. The major composition is a phosphate bonded material that contains ...
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Effect of Heat Treatment on the Corrosion Behavior of Nickel Chromium (Wiron 99) Alloys/Supreetha SN, Ravindra K, MuraliH
... The purpose of this study was to evaluate the corrosion behavior of Nickel chromium alloys (Wiron 99) in the as-cast condition and when subjected to different firing temperatures. This information is ...
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Availability of Chromium, Nickel and Other Associated Heavy Metals of Ultramafic and Serpentine Soil /Rock and in Plants
... Robinson et al. (1996) had studied and performed detailed study on Ultramafic (serpentine) soils from the Nelson Region which contains low total levels of calcium, potassium, phosphate and high total levels of ...
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Data on the Microstructure and Passivation Behavior for Austenitic Nickel-Chromium (NO7718) and Nickel-Chromium-Aluminum-iron (NO7208) Nickel Alloys in Corrosive Media
... Austenitic nickel-chromium (NO7718) and nickel-chromium-aluminum-iron (NO7208) alloys are wrought, gamma-prime strengthened and high-performance alloys with excellent attributes including good ...
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Reduction of Hexavalent Chromium Using L-Cysteine Capped Nickel Nanocatalysts
... hexavalent chromium ions from aqueous ...conventional nickel powder as ...of nickel chloride with hydrazine hydrate and used as heterogeneous catalysts for reduction of Cr(VI) ions by depositing on ...
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