Home Icon Chemical Stain
TB; Thymolsulfonephthalein
Solubility 0.1% (EtOH)....................... Clear Solution
Transition Range...................................pH 1.2 – 2.8 (Red - Greenish Yellow)pH 7.8 – 9.5 (Greenish Yellow – Blue)
Absorptivity 1%/1cm,
(pH 7.8) at λ max.434.0nm.............>200
(pH 9.5) at λ max.596.0nm.............>450
Loss on Drying at 110°C (1hr) .........>3%
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