产品详情
偶氮化合物 /偶氮萘化合物螯合剂-上海甄准
偶氮化合物是偶氮基─N=N─与两个烃基相连接而生成的化合物,通式R─N=N─R′。偶氮化合物具有顺、反几何异构体。
上海甄准生物提供偶氮萘化合物螯合剂,用作测定钙、镁、镉、锰、锌等的络合指示剂。
产品信息:
货号 | 中文品名 | 英文品名 | CAS No | 纯度 | 规格 |
32215054 | 媒介黑17 | Mordant Black 17 [Indicator for Complexometry] | 2538-85-4 | 25g | |
32215055 | PAN[=1-(2-吡啶偶氮)-2-萘酚] | PAN [=1-(2-Pyridylazo)-2-naphthol] [Metal indicator and spectrophotometric reagent for transition metals] | 85-85-8 | >980%(HPLC)(T) | 1g/5g |
32215056 | TAN[=1-(2-噻唑偶氮)-2-萘酚] | TAN [=1-(2-Thiazolylazo)-2-naphthol] [Spectrophotometric reagent for transition metals] | 1147-56-4 | >990%(T) | 1g/5g |
32215057 | 二甲苯偶氮紫II | Xylylazo Violet II [Spectrophotometric reagent for Mg] | 523-67-1 | >950%(HPLC) | 1g/5g |
32215058 | 二甲苯偶氮紫I | Xylylazo Violet I [Spectrophotometric reagent for Mg] | 14936-97-1 | 1g/5g | |
32215059 | 二甲基偶氮磺III | Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba] | 14979-11-4 | 1g/5g/ | |
32215060 | 偶氮磺III | Sulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba] | 68504-35-8 | >900%(HPLC) | 1g/5g |
32215061 | H-间苯二酚 | H-Resorcinol [Spectrophotometric reagent for the determination of B by FIA] | 3627-01-8 | >970%(HPLC) | 1g |
32215062 | 钙镁试剂 | Calmagite [Metal indicator for Ca, Mg etc] | 3147-14-6 | 1g/5g | |
32215063 | 2-(4-磺基苯偶氮)-1,8-二羟基萘-3,6-二磺酸三钠盐水合物 | Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate | 23647-14-5 | >950%(HPLC) | 5g/25g |
32215064 | 羊毛铬黑T | Eriochrome Black T | 1787-61-7 | 25g | |
32215065 | 钍试剂水合物 | Thorin Hydrate [for Determination of Th, etc] | 3688-92-4 | >900%(T) | 1g/25g |
32215066 | 2-羟基-1-(2-羟基-4-磺基-1-萘基偶氮)-3-萘甲酸(1:100用硫酸钾稀释) | 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid (1:100 diluted with K2SO4) | 3737-95-9 | 1g/25g |
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