54295 溴甲酚绿钠 ACS reagent, 90 % 25g 330
54296 溴甲酚绿钠 ACS reagent, 90 % 5g 109
54297 溴甲酚绿钠 98%,高纯级 25g 385
54298 溴甲酚绿钠 98%,高纯级 5g 119
54300 溴甲酚绿钠 IND 25g 145
54302 溴甲酚绿钠 IND 5g 49
54303 溴甲酚绿钠 AR 5g 46
熔点：230℃
品级Grade 分析纯 (AR) 外观Appearance Dark green to black powder or crystals 红外光谱鉴别Infrared spectrum Conforms to structure 纯度Purity(HPLC) ≥90.0% PH变色范围Visual range 3.8(yellow)-5.4(blue) 灼烧残渣Residue on ignition(as sulfate) 8.5-11.5% 项目（name） 指示剂（Ind） (indicator grade） 水溶解试验 合格 PH变色范围 3.8(黄色)-5.4(蓝色) 灼烧残渣(以硫酸盐计) 8.5-11.5% 品级Grade 高纯级 (High pure) 外观Appearance 暗绿色至棕色、黑色粉末或结晶 红外光谱鉴别Infrared spectrometry Conforms 纯度Purity 98.0 to 105.0 % (以干基计) pH变色域Transition interval: pH 3.8 (yellow) to pH 5.4 (blue) 灵敏性试验Sensitiveness test Pass 品级Grade ACS级 (ACS reagent, 90 %) 外观Appearance 暗绿色至棕色、黑色粉末或结晶 红外光谱鉴别Infrared spectrometry Conforms 纯度Purity ≥90.0% (HPLC) λ 614 - 618 nm c = 0.01g/L, Water 消光系数Extinction Coefficient ≥25000 λ 394 - 406 nm 消光系数Extinction Coefficient ≥8000 λ 306 - 310 nm 消光系数Extinction Coefficient ≥10000 pH变色域Transition interval: pH 3.8 (yellow) to pH 5.2 (blue) Visual Interval Pass pH 3.8 = Yellow Visual Interval Pass pH 4.5 = Green Visual Interval Pass pH 5.4 = Blue 不溶物Insoluble Matter. c = 0.1g/100ml; Water

PH指示剂(pH 3.8-5.4)。