Eriocromo cianina R, C.I. 43820, per analisi, ExpertQ®

- C23H15Na3O9Sr- M = 536,40 g/molr- CAS [3564-18-9]r- EINECS-No.: 222-641-7r- Solub. in water: (20 ºC): ~ 420 g/lr- Tariff number: 3204 19 00 90r- Applications: analytical chemistry, for determination of: aluminium (indicator).rrSPECIFICATIONSridentity (IR-spectrum): passes testrAbsorption maximum l (buffer pH 7,0): 434 - 440 nmrAbsorptivity (A1%/1 cm; l max.; 0,02 g/l buffer pH 7,0; on dried sample): 130 - 200 rsuitability for determination of Al : passes testrloss on drying (105 ºC): max. 10 %r