Błękit tymolowy wskaźnik ACS – Scharlau
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Thymol blue, indicator, ACS
TB
– Synonyms: Thymolsulfonphthalein, TB
– C27H30O5S
– M = 466,60 g/mol
– CAS [76-61-9]
– EINECS-No.: 200-973-3
– Melting point: 221 ºC
– Tariff number: 2934 99 90 90
– Applications: analytical chemistry, laboratory reagent, indicator.
SPECIFICATIONS
pH range 1: pink to brownish yellow : 1,2 – 2,8
pH range 2: greenish-yellow to blue : 8,0 – 9,2
Absorption max l1 (pH 1,2) : 543 – 547 nm
Absorption max l2 (pH 2,8) : 431 – 436 nm
Absorption max l3 (pH 7,8) : 431 – 436 nm
Absorption max l4 (pH 9,5) : 594 – 598 nm
Absorptivity (A1%/1 cm; l1, pH 1,2 on dried sample): 400 – 500
Absorptivity (A1%/1 cm; l2, pH 2,8 on dried sample): 200 – 300
Absorptivity (A1%/1 cm; l3, pH 7,8 on dried sample): 200 – 300
Absorptivity (A1%/1 cm; l4, pH 9,5 on dried sample): 450 – 550
loss on drying (110 ºC): max. 3 %
