Method for detecting high-concentration copper ions by spectrophotometric method
A technology of spectrophotometry and copper ions, which is applied in the direction of color/spectral characteristic measurement, measuring devices, and analysis materials, can solve problems such as low absorbance value, decreased measurement accuracy, measurement interference, etc., and achieves a good linear relationship, Simple operation and sensitive detection effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0032] Spectrophotometric method to detect high concentrations of copper ions:
[0033] Add imidazole solution to the water body containing copper ions, the concentration of imidazole solution is 60g / L, the volume ratio of copper ion-containing water and imidazole solution is 1:1, mix well and let stand to obtain the sample solution to be tested, directly use Spectrophotometry, at the wavelength of 610nm, use UV spectrophotometry to measure the absorbance of the sample solution to be tested.
experiment example
[0035] 1. Determination of the working range of the standard curve
[0036] (1) Preparation of known copper ion solution: dissolve 2.014g, 1.343g, 0.671g, 0.134g, 0.067g of CuCl in deionized water, respectively 2 ·2H 2 O in a 1L volumetric flask, dilute to volume with deionized water to obtain 750mg / L, 500mg / L, 250mg / L, 50mg / L, 25mg / L copper ion aqueous solutions, and use deionized aqueous solution as the reference solution;
[0037] (2) Preparation of imidazole aqueous solution: Accurately weigh 3 g of imidazole, and dilute to volume with deionized water in a 50 mL volumetric flask to obtain a 60 g / L imidazole solution.
[0038] (3) preparation of the aqueous solution of imidazole-copper complex: respectively take 2 mL of copper ion aqueous solutions of different concentrations, add 2 mL of imidazole solution, mix well and let stand for 5 min to obtain an aqueous solution of imidazole-copper complex;
[0039] (4) Measuring instruments and methods:
[0040] Instrument: UV-5...
Embodiment 2
[0076] The method for detecting high-concentration copper ions with the spectrophotometry described in Example 1, the difference is:
[0077] The concentration of the imidazole solution was 40 g / L.
PUM
Property | Measurement | Unit |
---|---|---|
concentration | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com