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Description of Spectrophotometric Determination of Indium

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X
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Mini Review - Der Pharma Chemica ( 2023) Volume 15, Issue 4

Description of Spectrophotometric Determination of Indium

Ramnath Gugle*
 
Department of Chemistry, University of Technology, Lucknow, Uttar Pradesh, India
 
*Corresponding Author:
Ramnath Gugle, Department of Chemistry, University of Technology, Lucknow, Uttar Pradesh, India, Email: ramnthe@edu.in

Received: 03-Apr-2023, Manuscript No. dpc-23-97540; Editor assigned: 05-Apr-2023, Pre QC No. dpc-23-97540; Reviewed: 19-Apr-2023, QC No. dpc-23-97540; Revised: 21-Apr-2023, Manuscript No. dpc-23-97540; Published: 28-Apr-2023, DOI: 10.4172/0975-413X.15.4.50-51

Abstract

Spectrophotometric determination of indium involves the use of spectrophotometry to measure the amount of indium present in a sample. Indium is a rare metal that is often used in electronics and semiconductors, and its detection and quantification are important for quality control and research purposes. The basic principle of spectrophotometry is based on the fact that different compounds absorb light at different wavelengths. The spectrophotometer measures the amount of light that is absorbed by a sample at a specific wavelength. In the case of indium, it absorbs light at a wavelength of around 410 nm.

Keywords

Spectrophotometric Method; Indium

INTRODUCTION

To determine the amount of indium in a sample, a standard curve is first created using known concentrations of indium. A series of standard solutions containing different known concentrations of indium are prepared and their absorbance values are measured at 410 nm using a spectrophotometer. The absorbance values are then plotted against the known concentrations to create a standard curve.

The sample to be analyzed is then prepared by dissolving it in a suitable solvent and filtering it to remove any impurities. The absorbance of the sample is then measured at 410 nm using the spectrophotometer, and its concentration is determined using the standard curve. It is important to note that the accuracy and precision of spectrophotometric determination of indium can be affected by factors such as the presence of other compounds that may interfere with the absorption of light by indium, the pH of the solution, and the type of solvent used. These factors should be carefully controlled to ensure accurate and reliable results.

Additionally, the spectrophotometric determination of indium can be done using either atomic absorption spectroscopy (AAS) or inductively coupled plasma atomic emission spectroscopy (ICP-AES). These techniques are more sensitive and accurate than traditional spectrophotometry, and they can be used to determine very low concentrations of indium in a sample.

AAS works by measuring the absorption of light by the ground-state atoms of the element being analyzed. The sample is atomized and excited by a flame or a graphite furnace, and a light source of a specific wavelength is passed through it. The amount of light absorbed by the atoms is then measured and compared to a calibration curve to determine the concentration of indium in the sample [1-5].

ICP-AES, on the other hand, works by measuring the emission of light by excited atoms of the element being analyzed. The sample is atomized and excited by plasma, and the light emitted by the atoms is passed through a spectrometer. The intensity of the emitted light at specific wavelengths is then measured and compared to a calibration curve to determine the concentration of indium in the sample.

In conclusion, spectrophotometric determination of indium is a useful technique for the detection and quantification of indium in various samples. By carefully controlling the factors that may affect its accuracy and precision, it can provide reliable and accurate results for quality control and research purposes.

Spectrophotometric determination of indium can be applied in different fields. In the semiconductor industry, it can be used to determine the amount of indium present in the thin films used to make photovoltaic cells and LCD screens. In the metallurgical industry, it can be used to monitor the concentration of indium during the extraction and refining of ores. In the medical field, it can be used to measure the amount of indium in the body after exposure to radioactive indium.

One advantage of spectrophotometric determination of indium is that it is a non-destructive technique. This means that the sample can be reused for further analyses, unlike some other techniques that may require the sample to be destroyed during the analysis process. Another advantage of spectrophotometric determination of indium is that it is a relatively simple and inexpensive technique compared to other analytical methods such as X-ray fluorescence (XRF) and mass spectrometry (MS). It also has a relatively fast turnaround time, allowing for rapid analysis of a large number of samples [6-10].

CONCLUSION

However, a disadvantage of spectrophotometric determination of indium is that it may not be as sensitive as other techniques such as AAS and ICP-AES. It also requires a standard curve to be prepared for each analysis, which can be time-consuming and may introduce variability in the results. In summary, spectrophotometric determination of indium is a useful analytical technique for the detection and quantification of indium in various samples. It has its advantages and disadvantages, and the choice of analytical technique depends on the specific requirements of the analysis. Spectrophotometric determination of indium is a powerful analytical technique that can be used to detect and quantify the amount of indium in a sample. The technique is based on the principle of measuring the amount of light absorbed by a sample at a specific wavelength. The accuracy and precision of the technique can be affected by various factors, such as the presence of interfering compounds, the pH of the solution, and the type of solvent used. Nevertheless, spectrophotometric determination of indium has numerous advantages, including its non-destructive nature, relatively fast turnaround time, and relatively simple and inexpensive methodology. The technique has wide applications in different fields, including the semiconductor industry, metallurgical industry, and medical field.

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