_____________________ TSI and TSI logo are registered trademarks of TSI Incorporated. CASE STUDY: PHOSPHATE ROCK AND PRODUCTS USING TSI ® LIBS DESKTOP ANALYZER APPLICATION NOTE LIBS-006 Introduction Phosphate rock is the fundamental ingredient of phosphate fertilizers used in agriculture. Many soil types are inherently phosphorus-deficient, thus there is a constant demand from the agricultural sector for phosphate fertilizers. Although 90% of mined phosphate rock is used to produce fertilizers, other end uses include food preservatives, animal feed supplements, anti-corrosion agents, fungicides, cosmetics, and ceramics. With its extensive elemental range and rapid analysis times, the TSI ® LIBS Desktop Analyzer is a useful tool in the analysis of phosphate rock and

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