溴甲酚绿钠|62625-32-5|溴甲酚绿钠盐|艾科试剂

货号	品名	产品规格	包装	单价(RMB)	可用库存	备注
132785	溴甲酚绿钠	ACS reagent, 90 %	25g	330.00	>10	2
132784	溴甲酚绿钠	ACS reagent, 90 %	5g	109.00	>10	2
132783	溴甲酚绿钠	98%,高纯级	25g	385.00	>10	2
132782	溴甲酚绿钠	98%,高纯级	5g	88.00	>10	2
132781	溴甲酚绿钠	IND	25g	145.00	>10	2
132780	溴甲酚绿钠	IND	5g	39.00	>10	2
132779	溴甲酚绿钠	AR	5g	46.00	>10	促销

性状

熔点：230℃

质量标准

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