Tymoloftaleina wskaźnik ExpertQ® do analizy,ACS – SCHARLAU
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Thymolphthalein, indicator, ExpertQ®, AC
– C28H30O4
– M = 430,55 g/mol
– CAS [125-20-2]
– EINECS-No.: 204-729-7
– Solub. in water: (20 ºC): almost insoluble
– Melting point: 253 ºC
– Tariff number: 2932 20 90 90
– Applications: analytical chemistry, laboratory reagent, indicator.
SPECIFICATIONS
identity (UV-VIS spectroscopy): passes test
appearance of solution: passes test
pH range (colourless to blue): 8,8 – 10,5
Absorption maximum l (pH 10,5): 592 – 596 nm
Absorptivity (A1%/1 cm; lmax , 0,01 g/l, pH 10,5, on dried sample): 800 – 900
loss on drying (110 ºC): max. 1,0 %
