Increasing the sample weight improves accuracy! It is necessary to consider the correction of atmospheric blanks.
Measurements of low nitrogen samples, including starch, beer, and nutritional drinks, were conducted using the nitrogen/protein analysis devices "FP828" and "FP928." Both devices are nitrogen analyzers, but the sample weight for the "FP828" is limited to 1.0g, while the "FP928" is designed to analyze samples over 1.0g (up to 2g or 3g depending on the sample). By selecting the appropriate device based on their characteristics, a wide range of samples can be measured. 【Measurement Procedure (Excerpt)】 <FP828> ■ Weigh samples of 1.0g or less in sample containers such as tin foil or capsules and load them into the device. ■ The sample falls into the furnace and is completely combusted in a pure oxygen airflow. ■ The combustion gas exits the furnace, moisture is removed, and it is collected in a tank called a ballast. ■ The gas is equilibrated in the tank and then a fixed amount is taken. ■ It is introduced into the carrier gas for measurement, which is an inert gas. *For more details, please refer to the related links or feel free to contact us.
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【Analysis Results (Excerpt)】 <Permeation Liquid (Average N: 0.0336%)> ■FP928 Sample Boat: 0.0002 ■FP828 502-825 Large Suzukacapsule: 0.0024 ■FP828 502-040 Medium Suzukacapsule: 0.0006 *For more details, please refer to the related links or feel free to contact us.
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LECO Corporation in the United States has been meeting the expectations of the development of materials and quality control analysis in various industrial products since 1936. In particular, in the field of carbon, sulfur, oxygen, nitrogen, and hydrogen analysis in metallic materials, it holds an overwhelming market share and can provide analytical values that ensure sufficient reliability for global transactions. Additionally, the application of these analytical techniques has been recognized in various fields, such as elemental analysis of organic substances and nutritional component analysis in food, as convenient, safe, and more accurate methods. Furthermore, in the field of mass spectrometry, as a pioneer of time-of-flight mass spectrometry (TOF-MS), it has contributed to the accumulation of data that serves as a foothold for cutting-edge research in Europe and the United States. Moving forward, we will continue to strive to contribute to the development of new technologies, productivity, and quality improvement in various fields based on accurate analytical results.
