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Atomic Absorption Spectrophotometer (AAS)                                                                                 Fourier Transform Infrared Spectrophotometer (FTIR)






            Dimethylpolysiloxanes                                                                                                     Trans Fatty Acids

            Dimethylpolysiloxanes or methyl silicones are commonly added to fats and oils to prevent oxidative foaming in products used in frying   Trans fatty acids are a kind of fat that is found in foods. Excessive ingestion of this type of fat is associated with elevated low density
            applications. To measure the amount of Dimethylpolysiloxanes, a direct aspiration, flame atomic absorption method is used.  lipoprotein (LDL) cholesterol levels, which increases the risk of heart disease. Food entrepreneurs have been taking measures for some
                                                                                                                                      time by independently developing low trans fatty acid foods and selling them on the market. At the same time, nations such as the
            Instrument Optics Parameters                                                                                              United States and Denmark are obligated to display the trans fatty acid content on food labels and to adhere to content restrictions
            Equipment    :Atomic Absorption Spectrophotometer   Measurement wavelength (nm) :251.6                                    on trans fatty acids.
                          AA-7000F                    Slit width (nm)     :0.7
            Lamp current (mA)  : 20                   BGC mode            :BGC-D2
                                                                                                                                      Shown here is a quantitative analysis study conducted for trans fatty acids by the ATR and transmission methods. Measurement was
                                                                                                                                      conducted according to the official method as prescribed by The American Oil Chemists' Society (AOCS). Measurement was also conducted
                                                                               Results and Repeatability
                                                                                                                                      by the transmission method in cases where the trans fatty acid content was assumed to be very low.


                                                                                                                                                                                            Corr. Height
                                                                                                                                                                                            0.225
                                                                                                                                                                                            0.25
                                                                                                                                                                                            0.225
                                                                                                                                                                                             0.2
                                                                                                                                      Analytical Conditions                                 0.175
                                                                                                                                      Instrument  :IRPrestige-21                            0.15
                                                                                                                                                with MIRacle A (heating plate)              0.125
                                                                                                                                      Resolution   :4 cm -1                                  0.1
                     Calibration curve generated from DMPS standards                                                                  Accumulation :45                                      0.075
                                                                                                                                      Detector  :DLATGS
            Shimadzu Atomic Absorption Spectrophotometer Product Lineup                                                                                                                     0.05
                                                                                                                                                                                            0.025
                      Model                                            Features                                                                                                                   0  1  2  3   4  5  6  7  8  9  10
                                                                                                                                                                                                                     r=0.9999  Concentration%
                                      · Double beam optical system                                                                                                                        Calibration Curve of Trans Fatty Acid by Single Reflection ATR Spectroscopy
                                      · Provides superior baseline stability expected from high performance optical systems at an affordable price.
                                      · Two lamps simultaneously lit (manual turret)
                                      · Uses the least linear bench space of any atomic absorption spectrophotometer in the world.
                                      · User-friendly software with Wizard functions provides easy operation
                   AA-6200                                                                                                                  2  Trielaidin (non-spiked)      ―
                                                                                                                                               Trielaidin (10.0% spiked)  ―
                                                                                                                                         Abs                                                Abs                     Trielaidin (10.0% spiked)
                                      ·Shimadzu's atomic absorption spectrophotometer with excellent cost effectiveness.                   1.5
                                      ·Supports a wide range of analysis applications in fields such as environmental, chemistry, food etc.
                                      ·8-lamp turret
                                      ·Intuitive user-friendly software                                                                     1
                                      ·Trace Element Analysis by using Micro Sampling Technology
                   AA-6880                                                                                                                 0.5


                                      ·Features high-sensitivity analysis, flexible system configuration, space-saving and energy-saving design for   0                                           Trielaidin (non-spiked)
                                       user-friendly operation.
                                      ·First AAs to employ a vibration sensor as standard.                                                  4000   3000   2000    1500   1000  750  500       1000  990  980   970  960  950   940  930
                                      ·Newly developed 3D double-beam optics ensure maximum performance for each measurement                                                    1/cm                                                1/cm
                                       method through optimal adjustment of the light beam and light beam digital filter, and by using optical
                                       components that restrict light losses.                                                          Infrared Spectra of Unspiked Olive Oil and Olive Oil Spiked with Trielaidin  Trans Fatty Acid Peak Region Selected for Calibration Curve
                                      ·Advances in optics and a new graphite furnace design achieve improved lower limits of detection for
                                       furnace analysis. Superb analysis performance is possible in all fields.
                   AA-7000            ·Advanced safety technology
                                      ·Trace Element Analysis by using Micro Sampling Technology
            Reference: Determination of Dimethylpolysiloxanes in Oils Atomic Absorption Spectroscopy                                  Reference: Application News No. A430B Quantitative Analysis of Trans Fatty Acid by FTIR

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