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- 文献和实验
- 技术资料
- 保存条件:
详询
- 保质期:
12 months from date of receipt.
- 英文名:
Hydroxy naphthol blue disodium
- 库存:
99
- 供应商:
Biorbyt
- CAS号:
165660-27-5
- 规格:
5 mg/50 mg
| 规格: | 5 mg | 产品价格: | ¥0.0 |
|---|---|---|---|
| 规格: | 50 mg | 产品价格: | ¥0.0 |
描述: Hydroxy Naphthol Blue disodium is an azo dye metal indicator used for the colorimetric detection of calcium and alkaline earth ions. At pH 12-13, it forms a reddish-pink complex with Ca²⁺, which turns deep blue upon EDTA chelation (λmax 650 nm). This property makes it valuable for in vitro water hardness testing and calcium endpoint determination in complexometric titrations.
靶点: Others
分子式: C20H12N2Na2O11S3
分子量: 598.49
SMILES: O=S(O)(C(C=CC1=C2N=NC3=C(C=C(S(=O)([O-])=O)C4=C3C=CC=C4)O)=CC1=CC(S(=O)([O-])=O)=C2O)=O.[Na+].[Na+]
保存条件: -20°C
备注: For research use only.
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文献和实验Site-directed hydroxy radical mapping of nucleosome positions in vitro
. Formamide loading dyes comprise deionised formamide with 10mM EDTA. 0.1g of bromophenol blue and xylene cyanol can be added for visualization but these dyes can mask fluorimager readout. We store the loading dye at -20°C in small aliquots. We use
) 20ml 100ml ) 500ml Distilled water 55ml 275ml ) b. Naphthol ASBI stock Naphthol ASBI phosphate 25mg N:N Dimethyl formamide 10ml Distilled water 10ml Adjust to pH 8.0 with 1M sodium carbonate if necessary then add
8.3 0.2M Tris (2.42g/100) 25ml 125ml ) 0.1N HCL (0.85/110ml) 20ml 100ml ) 500ml Distilled water 55ml 275ml ) b. Naphthol ASBI stock Naphthol ASBI phosphate 25mg N:N Dimethyl
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