Elemental Analysis

The metal impurity analysis is necessary for the management of metal impurity in many fields, such as impurity element analysis of tap water, ultra‐trace element analysis of semiconductor materials, residual metal analysis of medicine and Biological sample, foods, environment (water/earth), and so on.
The instrumental analysis methods (AAS, ICP-OES, and ICP-MS) are mainly used in metal analysis. There are the following three typical methods.

  • AAS (Atomic Absorption Spectroscopy)
    AAS is a spectroanalytical procedure for the quantitative determination of chemical elements using the absorption of optical radiation (light) by free atoms in the gaseous state. Atomic absorption spectroscopy is based on absorption of light by free metallic ions.
  • ICP-OES (Inductively coupled plasma optical emission spectroscopy)
    ICP-OES is one method of optical emission spectrometry. When plasma energy is given to an analysis sample from outside, the component elements (atoms) are excited. When the excited atoms return to low energy position, emission rays (spectrum rays) are released and the emission rays that correspond to the photon wavelength are measured. The element type is determined based on the position of the photon rays, and the content of each element is determined based on the rays' intensity.
  • ICP-MS (inductively coupled plasma mass spectrometry)
    ICP-MS analysis method uses a high-frequency inductively coupled plasma as ionization source and a Mass Spectrometer as mass/charge filter device. It is ideal for the elemental analysis of sample solutions, in particular where the lowest detection limits are demanded. Due to the increase in the number of analyzed samples, analyzed elements and detection limits in recent years, the ICP Mass Spectrometer has become highly regarded for its speed, accuracy and performance.
AAS ICP-OES ICP-MS
Multi-element Simultaneous Analysis -
Sensitivity ppb~ppm (Flame)
ppt~ppb (Furnace)
ppb~% ppt~ppm
Dynamic Range Dounle Digits Five Digits Five Digits
Cost Inexpensive elemental_img01.png Expensive
Rare Earth, Zr, Ta, P, and B
FUJIFILM Wako's Grade for Atomic Absorption Spectrochemical Analysis, and for JCSS for ICP Analysis

FUJIFILM Wako's Elemental Standard Solutions

FJIFILM Wako provide standard solutions suitable for each method, and you can use them according to your purpose.

for AAS analysis JCSS for ICP analysis
Detection of element concentration -Titration
-Gravimetric Method
-Titration
-Ion Chromatograph
-Titration
-Ion Chromatograph
-ICP-OES
Impurity elements Guaranteed ppb orders using ICP-MS
Attachment Calibration Certificate Product information
(with information of impurity elements)
Features -Calibration by public institution(CERI)
-Guarantee of the National Measurement Standards Provision System
-Guarantee of impurity
-Calibrate the concentration using JCSS standard or NIST SRM solutions.

Author: E. Leung

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