Kimia/Fenolftalein

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Sample of solid phenolphthalein

Perubahan warna saat titrasi[sunting]

pH <-1[1] 0−8.3 8.3−10.0[2] >10.0
Kondisi sangat asam asam atau netral basa sangat basa
Warna orange bening pink bening
Foto


Soal[sunting]

Referensi[sunting]

  1. Wittke, Georg (1 March 1983). "Reactions of phenolphthalein at various pH values". Journal of Chemical Education 60 (3): 239. doi:10.1021/ed060p239. ISSN 0021-9584. 
  2. Rathod, Balraj B.; Murthy, Sahana; Bandyopadhyay, Subhajit (20 February 2019). "Is this Solution Pink Enough? A Smartphone Tutor to Resolve the Eternal Question in Phenolphthalein-Based Titration". Journal of Chemical Education 96 (3): 486–494. doi:10.1021/acs.jchemed.8b00708.