acid-base extraction

  1. A

    Chloroform synthesis help, to distill or not distill?

    Hi, I looked up the synthesis of chloroform and managed to do it 2 times already using liquid bleach and acetone. But some places state that it should also be distilled after filtering if it was going to be used for humans. My problem is no one states the reason why it should be distilled. Is...
  2. Mr Good Cat

    Bases of amine group purification via sodium bisulfite adduct

    I saw recently a discussion in some RC community saying about amph group and 4mmc purification via bisulfite adduct. Considering molar proportions, mentioned there, I don't think this route was developed by a professional. But I brought it here to discuss: may be it worth to pay attention on...
  3. Mr Good Cat

    Isohexane cas 64742-49-0 and cas 107-83-5 - differences

    I did my base extraction rescently. Two kinds of isohexane were used: cas 64742-49-0 and cas 107-83-5. I really don't like this isohexane cas 64742-49-0 as it has higher boiling range 70/85 than cas 107-83-5, and I have strong feeling its ebulioscopic constant is some higher as well. But this...
  4. G.Patton

    Amphetamine purification by acid-base extraction

    Introduction Purification at home condition is one of the hottest topics in the drug market. Example: you have a substance with a smell and color which is quite far from ideal. Unfortunately, it happens unacceptably often. Heavenly stuff do not come from every hellish kitchen, and we will pay...
  5. G.Patton

    Extraction

    Extraction theory. "Extraction" refers to transference of compound(s) from a solid or liquid into a different solvent or phase. When a tea bag is added to hot water, the compounds responsible for the flavor and color of tea are extracted from the grounds into the water. Decaffeinated coffee is...
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