品名 | 規(guī)格 | 包裝 | 單價(jià) | 貨期 |
溴甲酚綠鈉 | ACS reagent, 90 % | 25g | 308元 | 咨詢客服 |
溴甲酚綠鈉 | ACS reagent, 90 % | 5g | 107.8元 | 咨詢客服 |
溴甲酚綠鈉 | 98%,高純級(jí) | 25g | 371.8元 | 咨詢客服 |
溴甲酚綠鈉 | 98%,高純級(jí) | 5g | 118.8元 | 咨詢客服 |
溴甲酚綠鈉 | IND | 25g | 140.8元 | 咨詢客服 |
品級(jí)Grade 高純級(jí)
(High pure)
外觀Appearance 暗綠色至棕色、黑色粉末或結(jié)晶
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity 98.0 to 105.0 % (以干基計(jì))
pH變色域Transition interval: pH 3.8 (yellow) to pH 5.4 (blue)
靈敏性試驗(yàn)Sensitiveness test Pass
品級(jí)Grade ACS級(jí)
(ACS reagent, 90 %)
外觀Appearance 暗綠色至棕色、黑色粉末或結(jié)晶
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥90.0% (HPLC)
λ 614 - 618 nm
c = 0.01g/L, Water
消光系數(shù)Extinction Coefficient ≥25000
λ 394 - 406 nm
消光系數(shù)Extinction Coefficient ≥8000
λ 306 - 310 nm
消光系數(shù)Extinction Coefficient ≥10000
pH變色域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
![]() |