Azo dyes are a direct dye commonly used in the textile industry to colour fibres. They are also commonly found in paints, inks, and other products. They are potential carcinogens and have been banned in multiple countries worldwide, including Canada, Australia, New Zealand and Japan because ...
Manufacture of azo dyes. Used in drugs mainly to interfere with the action of natural amine neurotransmitters. In gas treatment mainly in the removal of carbon dioxide from natural gas, etc. As corrosion inhibitors. In the synthesis of many products. ...
(hives), eczema, angioedema, asthma and hyperactive behavior. Studies also suggest that patients with asthma and aspirin allergies may have a higher incidence of allergies to azo dyes such as tartrazine. Often, the drugs used to treat severe allergic reactions to tartrazine, such as some ...
2. Benefits of humic acids at environmental applications Humic substances in general and humic acids in detail interact with all classes of ecotoxicants including: heavy metals, petroleum and chlorinated hydrocarbons, pesticides, nitroaromatic explosives, azo dyes, actinides, etc. Humic acids are known...
What is the main feature of azo dyes that causes them to be colored compounds? What reagent would allow you to distinguish between BaS and NiSO4 (as if using an analysis scheme)? What function does the ICP torch have in ICPMS?
In chemistry laboratories many different types of chemicals are present. These chemicals are preserved in a bottle with the name of the chemical. Some common chemicals are HCl and NaOH. Answer and Explanation:1 HCl is hydrochloric acid. It is a strong acid. This acid is hazardous liquid ...
Azo dyesare not of natural origin. Which dye has very good for washing fastness? Metal complex type azo reactive dyeshave higher light-fastness. Textile materials coloured with reactive dyes have good wash-fastness; their wash-fastness rating is about four to five. This is attributed to the ve...
5, 5-Derivatives of barbituric acid (obtained by condensation of urea with malonic acid) are called barbiturates. They belong to the class of tranquillizers. They also act as sleep inducing agents. Some examples of barbiturates are luminal, veronal, seco
Phenolphthalein is often used asan indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to the class of dyes known as phthalein dyes. How do you make a Murexide indicator?
The reaction of diazonium salts with phenols in basic medium (pH9-10) or with 1^(@) amines in acidic medium (pH 4-5) to give the corresponding azo dyes is called to coupling reaction.