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Sodium dodecyl sulfate(151-21-3) preparation

On the basis of teaching practice, recommend a suitable for high vocational colleges fine chemical students experimental - sodium dodecyl sulfate(151-21-3) preparation. With concentrated sulfuric acid and urea as the catalyst, with lauryl alcohol (n-dodecanol) and sulfamic acid reaction, and then add sodium hydroxide to release ammonia, the resulting crude product, purified, dried to produce white or light yellow solid. Through the experiment, students can master the basic principles and methods of sulfide preparation of anionic surfactants, and master the exhaust gas absorption, purification and other fine chemical experimental operating skills.



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