Icp 7500

Manufactured by Shimadzu

Sourced in Japan

The ICP-7500 is an inductively coupled plasma optical emission spectrometer (ICP-OES) manufactured by Shimadzu. It is designed for elemental analysis, capable of detecting and quantifying trace elements in a wide range of sample types. The ICP-7500 utilizes a high-frequency plasma to atomize and excite the sample, and an optical emission spectrometer to measure the characteristic wavelengths emitted by the excited elements.

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ICPS-7500 (35 citations) ICPS-7500 spectrometer (3 citations)

2 protocols using icp 7500

Pd(II) Adsorption Kinetics and Thermodynamics

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Batch experiments were conducted at 25 °C. In a clean vial, a Pd(II) solution (V = 5 mL) was mixed with KAlFe(CN)₆/SiO₂ (m = 0.05 g). The supernatant inside the vial was filtered and diluted. The concentration of Pd(II) in the filtrate was obtained by using an inductively coupled plasma (ICP) spectrometer (Shimadzu Corporation, Kyoto, Japan, ICP-7500).
The distribution coefficient of Pd(II) (K_d) was calculated as follows:

K_{d} = [(C_{0} - C_{e}) / C_{e}] \times (V / m),

where C₀ is the concentration of Pd(II) in the preadsorption solution, C_e represents the equilibrium concentration, V is the volume of the Pd(II) solution, and m is the mass of the KAlFe(CN)₆/SiO₂ adsorbent.
The experimental adsorption capacity of Pd(II) (Q_e) is defined as follows:

Q_{e} = (C_{0} - C_{e}) \times (V / m) .

Wen Y., Wu Y, & Xu L. (2023). Radiation Resistance and Adsorption Behavior of Aluminum Hexacyanoferrate for Pd. Toxics, 11(4), 321.

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Cadmium Adsorption Kinetics and Thermodynamics

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The cadmium uptake kinetics, isotherm, thermodynamics and the effect of environmental parameters including pH, metal concentration, contact time, temperature, and different pretreatments of adsorbent were investigated. The Cd 2þ stock solutions with concentration of 2000 mg/L were prepared by dissolving of Cd(NO 3 ) 2 .4H 2 O in a deionized water. The adsorption experiments were performed in constant of the initial concentration of 200 mg/L and shaken at a constant speed of 170 rpm. In all of the tests, a controlled experiment without adsorbents was performed under the same experimental conditions in order to omitting the effect of Erlen walls adsorption. After adsorption, the adsorbent was separated from aqueous solution by using a magnet and then the equilibrium concentration of each solution was measured by an atomic absorption spectrometer (Shimadzu ICP-7500, Japan). In the process of all experiments, we observed three replicates and the presented values are the mean values from these independent replicates. The pH of all adsorption system was adjusted by the dilute HCl or NaOH aqueous solution (0.5 M).

Masoudi R., Moghimi H., Azin E, & Taheri R.A. (2018). Adsorption of cadmium from aqueous solutions by novel Fe₃O₄- newly isolated Actinomucor sp. bio-nanoadsorbent: functional group study. Artificial cells, nanomedicine, and biotechnology, 46(sup3).

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