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位置：首页 > 品牌 > 梯希爱 > 二甲基偶氮磺III [碱性稀土金属用的分光光度试剂及硫酸根用钡的沉淀滴定指示剂]

Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]

二甲基偶氮磺III [碱性稀土金属用的分光光度试剂及硫酸根用钡的沉淀滴定指示剂]

品牌
TCI
CAS
14979-11-4
货号
A5008
包装型号
规格纯度
参考价格
495 元 *本价格含增值税费
促销
服务
  • √原厂保证
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  • √增值税票
数量
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产品名称：
14979-11-4
Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]
二甲基偶氮磺III [碱性稀土金属用的分光光度试剂及硫酸根用钡的沉淀滴定指示剂]
2,7-双(2-磺酸基对甲苯基偶氮)-1,8-二羟基-3,6-萘二磺酸
2,7-双[(4-甲基-2-磺苯基)偶氮]-1,8-二羟基萘-3,6-二磺酸
2,7-Bis[(4-methyl-2-sulfophenyl)azo]-1,8-dihydroxynaphthalene-3,6-disulfonic Acid
2,7-Bis(2-sulfo-p-tolylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic Acid
产品介绍：

基本信息

分子式/分子量C24H20N4O14S4 = 716.68
外观与形状(20℃)固体
包装和容器 1G-带有塑料内管的玻璃瓶 (查看图片)
Reaxys-RN7068179
PubChem物质ID87563102
MDL编号MFCD00151118

技术规格

AppearanceYellow to Dark green to Black powder to crystal
Lambda max.570.0 to 580.0 nm(H2O)
Absorbance(E1%1cm)min. 400(H2O, 570.0 to 580.0 nm)
Drying lossmax. 15.0 %
Ignition residue(Sulfate)max. 7.0 %(after drying)
SensitivenessTurn Purplish Blue with Barium perchlorate aq and Turn Purple by adding Potassium sulfate aq

物性(参考值)

最大吸收波长575(H2O) nm

梯希爱

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