'Azo dye' presentation slideshows

Azo dye - PowerPoint PPT Presentation

refrigerating and air-conditioning industries

refrigerating and air-conditioning industries

phenolic board manufacturers . refrigerating and air-conditioning industries. phenols. phenol. catechol. resorcinol. aromatic. Physical state. Ignition test. solubility. All soluble in water and they can convert the blue litmus paper to red that means All acids? acidic by Na 2 CO 3

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MARKET BUY TESTING MANUAL 2011-2012

MARKET BUY TESTING MANUAL 2011-2012

MARKET BUY TESTING MANUAL 2011-2012. TABLE OF CONTENTS. ? Policy Statement ? Market Buy Testing Requirements ? Market Buy Testing Form ? Testing Team Contact Information. INTRODUCTION. This Testing Manual provides the administrative procedures and testing

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93 views • 7 slides
Molecular Characterization and Azoreductase Activity of Pseudomonas Stutzeri Isolated from Textile Dye Effluent

Molecular Characterization and Azoreductase Activity of Pseudomonas Stutzeri Isolated from Textile Dye Effluent

Azo dyes are extensively used in textile and other industrial processing. Besides its toxic nature, its removal from the wastewater is a challenging task for the researchers. A screening study on Reactive Black B azo dye decolourizing microorganism followed by biochemical and molecular characterization resulted in the identification of organism as Pseudomonas stutzeri (KR013216). Azoreductase enzyme was found to be the core enzyme involved in the decolourization mechanism.

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84 views • 7 slides
A novel spectrophotometric method for determination of chloramphenicol based on diazotization reaction at room temperatu

A novel spectrophotometric method for determination of chloramphenicol based on diazotization reaction at room temperatu

A novel spectrophotometric method for determination of chloramphenicol (CAP) based on the diazotization reaction at room temperature has been developed. The CAP was reduced using zinc powder and diazotization reaction was carried out at room temperature in the presence of NaNO2, bismuth nitrate pentahydrate as catalyst. 2-napthol was used as coupling agent to forma red-violet solution and the absorbance was measured by UV-Vis spectrophotometer at 554 nm. The analytical parameters including optimization of reducing agent, catalyst, coupling agent and time response for formation of azo dye compounds had been investigated.

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164 views • 6 slides

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