货号:CDX-P0720-G005 | 规格:5 g | 目录价:¥2114 |
货号:CDX-P0720-G025 | 规格:25 g | 目录价:¥8862 |
产品详情
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产品名称:
1-(2-Pyridylazo)-2-naphthol
别名:
PAN; 2-(2-Hydroxy-1-naphthylazo)-pyridine
产品描述:
1-(2-Pyridylazo)-2-naphthol is widely used as an indicator for complexometry. It is used as a reagent for the extraction and spectrophotometric determination (for colorimetric analysis) of many transition metal elements like arsenic, chromium, cobalt, copper, cadmium, manganese, zinc and zirconium. It is also used for the analysis of uranium and thorium in solutions. 1-(2-Pyridylazo)-2-naphthol is also commonly used as an acid-base indicator. This reagent is slightly soluble in acidic solutions and soluble in alkaline solutions. The aqueous solution is yellow at pH<12 and red at pH>12.
宿主来源:
Synthetic
保存温度:
+20°C
运输温度:
Ambient
预期分子量:
249.27
产品形式:
solid
有效期:
Stable for at least 2 years after receipt when stored at RT.
产地:
瑞士
纯度:
>99% (UV)
CAS号:
85-85-8
分子式:
C15H11N3O
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