106202 1-Naphtholbenzein indikator Reag. Ph Eur
Simpan pada +5°C hingga +30°C.
Identity (IR-spectrum) | passes test |
Identity (UV/VIS-Spectrum) | passes test |
Absorption maximum λmax. (perchloric acid (0,1 mol/l) in acetic acid) | 622 - 626 nm |
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; perchloric acid (0,1 mol/l) in acetic acid; calculated on dried substance) | 640 - 950 |
Transition range | pH 8,0 - pH 9,6; apricot - turquoiseblue |
Loss on Drying (105°C) | ≤ 7 % |
Suitability as indicator (for non-aqueous titration) | passes test |