溴百里酚藍(lán)鈉鹽/34722-90-2

溶于水。
質(zhì)量標(biāo)準(zhǔn)
  

品級(jí)Grade                               分析純   
                                        (AR) 
外觀Appearance                          orange-brown to dark green powder 
紅外光譜Infrared spectrometry           Conforms to Structure   
水溶解試驗(yàn)Solubility (0.1% in water)    clear 
pH變色域Transition interval(pH)         from pH 6.0 (yellow) to pH 7.6 (blue)
干燥損失Drying loss                     ≤7.0 % 



品級(jí)Grade                                ACS級(jí)   
                                        (ACS reagent)
外觀Appearance                          orange-brown to dark green powder 
紅外光譜Infrared spectrum                Conforms to Structure 
Wavelength                               614 - 618 nm 
                                         c = 0.005 g/l; 0.1 N NAOH 
消光系數(shù)Extinction Coefficient           ≥35000 
Wavelength                               392 - 396 nm 
消光系數(shù)Extinction Coefficient           ≥8000 
Wavelength                               305 - 309 nm 
Extinction Coefficient                   ≥13000 
變色域Vis. transition interval          from pH 6.0 (yellow) to pH 6.7(Green)to pH 7.6 (blue)
溶液澄清度Clarity of solution            Clear to Very Slightly Hazy Orange to Black