반응 #1708380

반응 방정식

naphthionic acid sodium salt

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Naphthionic Acid

용매

water

반응 조건

후처리

1. 1
   기타Slowly add hydrochloric acid, and white precipitation
2. 2
   workup.STIRRINGStir the slurry for at least 4 hours
3. 3
   여과filter the slurry

실험 절차

In a large beaker, add naphthionic acid sodium salt and water and stir to complete solution, pH=9.2-9.4. Slowly add hydrochloric acid, and white precipitation occurs at pH=2.2-2.4. Stir the slurry for at least 4 hours, then filter the slurry. Use the wetcake in Stage 2.

출처