Błękit bromotymolowy wskaźnik, ACS – Scharlau
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Bromothymol blue, indicator, ACS
BTB
– Synonyms: 3′,3”-Dibromothymol-sulfonphthalein, BTB
– C27H28Br2O5S
– M = 624,40 g/mol
– CAS [76-59-5]
– EINECS-No.: 200-971-2
– Solub. in water: (20 ºC): insoluble
– Tariff number: 2934 99 90 90
– Applications: analytical chemistry, indicator.
SPECIFICATIONS
pH range (yellow to blue): 5,8 – 7,6
Absorption maximum l1 (pH 5,8) : 430 – 435 nm
Absorption maximum l2 (pH 7,6) : 615 – 618 nm
Absorptivity (A1%/1 cm; l1; pH 5,8 on dried sample): 260 – 300
Absorptivity (A1%/1 cm; l2; pH 7,6 on dried sample): 470 – 520
transition range acc. ACS : passes test
loss on drying (110 ºC): max. 3 %
