aniline oor Bengaals
aniline
en
(organic chemistry) The simplest aromatic amine, C <sub>6</sub> H <sub>5</sub> NH <sub>2</sub> , synthesized by the reduction of nitrobenzene; it is a colourless oily basic poisonous liquid used in the manufacture of dyes and pharmaceuticals.
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Mauveine, also known as aniline purple and Perkin's mauve, was the first synthetic organic chemical dye, discovered serendipitously in 1856.
রাশিয়ার শেষ সম্রাট, নিকোলাস দ্বিতীয় ও তার পরিবারWikiMatrix WikiMatrix
He partly transformed aniline into a crude mixture which, when extracted with alcohol, produced a substance with an intense purple colour.
রঙের বৈশিষ্ট্যWikiMatrix WikiMatrix
Magenta, along with mauve, made with the newly discovered aniline dyes, became a popular fashion color in the second half of the nineteenth century.
ডকুমেন্ট এনকোডিংWikiMatrix WikiMatrix
The enormous commercial success of the dye and the new color it produced, mauve, inspired other chemists in Europe to develop new colors made from aniline dyes.
নতুন ম্যাক্রোর জন্য চূড়ান্ত বস্তু(গুলো) বেছে নিন ।Samanantar Samanantar
Magenta, along with mauve, made with the newly discovered aniline dyes, became a popular fashion colour in the second half of the nineteenth century.
কোন মৌল বেছে নেওয়া হয় নিSamanantar Samanantar
Anilines and aromatic hydrazines undergo diazotization, as do alkyl amines and hydrazines.
এশিয়া/আলমাটিSamanantar Samanantar
His experiments produced instead the first synthetic aniline dye, a purple shade called mauveine, shortened simply to mauve.
সম্প্রসারিত কার্টেসিয় সমীকরণSamanantar Samanantar
"Magenta took its name in 1860 from this aniline dye that was originally called ""fuchsine"", after the fuchsia flower."
উইণ্ডো ১২ নং ডেস্কটপে পাঠাওSamanantar Samanantar
"In France, Francois-Emmanuel Verguin, the director of the chemical factory of Louis Rafard near Lyon, tried many different formulae before finally in late 1858 or early 1859, mixing aniline with carbon tetrachloride, producing a reddish-purple dye which he called ""fuchsine"", after the color of the flower of the fuchsia plant."
মেনু এন্ট্রি চেপে পছন্দের গ্রেডিয়েন্ট নির্বাচন করুনSamanantar Samanantar
"One example is the synthesis of the dye ""organol brown"" from aniline and 1-naphthol: Similarly -naphthol couples with phenyldiazonium electrophile to produce an intense orange-red dye."
তিনটি প্রান্তীয় বিন্দুর দ্বিতীয়টিSamanantar Samanantar
The color magenta was the result of the industrial chemistry revolution of the mid-nineteenth century, which began with the invention by William Perkin of mauveine in 1856, which was the first synthetic aniline dye.
অনুগ্রহ করে ' % # ' ওয়ালেটটির জন্য একটি নতুন পাসওয়ার্ড পছন্দ করুন ।Samanantar Samanantar
His experiments produced instead an unexpected residue, which turned out to be the first synthetic aniline dye, a deep violet color called mauveine, or abbreviated simply to mauve (the dye being named after the lighter color of the mallow [mauve] flower).
রেখাংশের দৈর্ঘ্য দ্বারা নির্ধারিত ব্যাস এবং কেন্দ্রবিন্দুর সাহায্যে নির্দেশিত বৃত্তSamanantar Samanantar
The related dye called aniline yellow is produced from the reaction of aniline and the diazonium salt.
বস্তুরটি ওপর যে অর্ধ-রেখার প্রক্ষিপ্তভাবে আবর্তন প্রয়োগ করতে চান তা বেছে নিনSamanantar Samanantar
The carboxylic acid is first converted to its silver salt, which is then oxidized with halogen: The Sandmeyer reaction is used to give aryl halides from diazonium salts, which are obtained from anilines.
অ্যাকাউন্ট পাল্টাওSamanantar Samanantar
Before the discovery of aniline dyes, lichens were much in use for dying silk and wool.
পরিসংখ্যানSamanantar Samanantar
"In the same year, two British chemists, Chambers Nicolson and George Maule, working at the laboratory of the paint manufacturer George Simpson, located in Walworth, south of London, made another aniline dye with a similar red-purple color, which they began to manufacture in 1860 under the name ""roseine""."
ভক্তরা নাটকের ওয়েবসাইটে যে মতামত রাখে তা নাট্যকার বা প্রযোজকের মতামতের থেকেও গুরুত্বপূর্ণ।Samanantar Samanantar
16 sinne gevind in 8 ms. Hulle kom uit baie bronne en word nie nagegaan nie.