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In order to producing high quality Fumaric Acid, we abandon Thiourea as catalyst but adopt high-temperature method directly to assure and enhance the quality of product. So our product does not contain any residual of catalyst. Both whiteness and purity of our product are superior, the..
DL-Malic Acid 【Product Content (Based on C4H6O5)】99.0~100.5% 【Fumaric Acid Content】≤1.00% 【Maleic Acid Content】≤0.05% 【Heavy Metal (Based on Pb) Content】≤10ppm 【Arsenic (As) Content】≤2ppm 【Ignition Residue】≤0.10% 【Water Insoluble Matters】..