References: Bosom worth Dorothy (1995): The encyclopedia of patterns and motifs‚ Studio editions‚ London Grociki‚ Z.J.; Watsons Textile Design and Colour‚ London‚ Newness Butter Worth V.A.Shenai (1987)‚Chemistry of dyes and principles of Dyeing‚ Sevak Prakashan‚ Mumbai V.A.Shenai (1987) Technology of Textile Processing‚ Vol.IV‚ Sevak Publication.
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clear that it is not known as a significant producer of allergic responses‚ and it is unknown to most of our practitioners dealing with allergies and the irritable bowel syndrome. Therefore‚ it behooves us to begin studies in investigating the role of dyes such as annatto in the production of the symptoms of the irritable bowel syndrome.”- Floch MH. Annatto‚ diet‚ and the irritable bowel syndrome. J Clin Gastroenterol. 2009;43(10):905-6. Annatto is found in American cheese‚ cheddar cheese‚ and velveeta
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Title: Principles and Practice of Agarose Gel Electrophorsis Objectives: To detect the size ‚ shape and charge of the each dye solution. Methods: Casting the Agarose Gel In this experiment .8% solution was used. By using a 250ml flask the buffer solution was prepared. Using the equation to make enough solution for the intire lab class the equation had to be multiplyed by five. The contents of this equation were added to the 250ml flask and swirled to evenly distrubute it contents
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determine the molar absorptivity of a Red-40 food dye. Using a spectrometer‚ the best wavelength to use for the analysis of this dye was determined to be 501nm. A series of dilutions were performed and the concentrations were calculated to find ‘E‚’ the molar absorptivity‚ which was determined to be 18035 M-1 cm-1. Introduction The experimental behavior of the absorption spectroscopy lab is to be able to determine the molar absorptivity of a food dye; in this case‚ Red-40. The determination of the
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Liquid Chromatography – Laboratory #18 Introduction: We are using liquid chromatography to separate the colored substances in grape-flavored drinks. We separate the component dyes‚ and then we separate the flavorings and citric acids. Background: Chromatography is a process that is used to separate a substance into its component parts. The separation occurs between the stationary and moving phase of the lab. The moving phase consists of a fluid and the stationary phase consists of a solid
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3 Textile Organic Dyes – Characteristics‚ Polluting Effects and Separation/Elimination Procedures from Industrial Effluents – A Critical Overview Zaharia Carmen and Suteu Daniela ‘Gheorghe Asachi’ Technical University of Iasi‚ Faculty of Chemical Engineering and Environmental Protection‚ Romania 1. Introduction The residual dyes from different sources (e.g.‚ textile industries‚ paper and pulp industries‚ dye and dye intermediates industries‚ pharmaceutical industries‚ tannery‚ and Kraft
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using TiO2 nanoparticles Nupur Mittal Chemical Engineering‚ IIT (BHU) Varanasi. Abstract: The aim of this research is to reduce the pollution caused by methylene blue dye in waste water coming from textile industries. For this purpose‚ TiO2 nanoparticles are made as they show good photocatalytic activity in degradation of dyes into harmless products. Synthesis is done using titanium butoxide and 2-propanol. The particles formed were a little larger than 100 nm but after adding sodium lauryl sulphate
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1.0 ABSTRACT The objectives of handling this experiment are to study the characteristics of laminar‚ turbulent and transition flows by calculating the Reynold’s number of each flow and by observing the behavior of the flow itself. Besides that‚ this experiment is in conduct in order to determine the range for laminar and turbulent flow as well as to prove that Reynold’s number is dimensionless by calculating by using the formula. The experiment was started with laminar flow. In order to obtain the
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Natural Food Coloring from Spinach _______________ A Science Investigatory Project Presented to Mrs. Shellah Marie Tabayoyong-Cruz Marist School‚ Marikina City _______________ In Partial Fulfillment of the Requirements for the Course Science & Technology 9 _______________ Presented by DELA CRUZ‚ Mark Lawrence P. ARAOJO‚ Michael CONCEPCION‚ Matthew 9-St. Paul March 15‚ 2013 Acknowledgement I would like to express my special thanks of gratitude oto my chemistry
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Kalamkari the ancient Indian art of painting Kalamkari refers to a method of painting natural dyes onto cotton or silk fabric with a bamboo pen or kalam. The name kalamkari translates as pen (kalam) work (kari) in Hindi/Urdu‚ and was most likely derived from trade relationships between Persian and Indian merchants as early as the 10th century CE. European merchants also had names for this type of fabric decoration: the Portugese called it pintado‚ the Dutch used the name sitz‚ and the British preferred
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