5%溶液性无色透明 　　33.3%水溶液的PH 3-4 　　硫酸盐(以SO42-计)%≤0.01 　　重金属(以Pb计)PPM≤10 　　砷(以As计)PPM≤2 　　干燥失重%≤0.5 酸味剂、缓冲剂、调味剂、抗氧化助剂。用于配制酒、清凉饮料、糖食制品、粉末果汁、水果罐头、冷饮、果酱、果冻等。配制面包、曲奇饼干等的复配型膨松剂。常与苹果酸、柠檬酸等其它有机酸合用。

　　外观 超细白色粉末　　含量(总酸)%≥99.0　　水份%≤0.30　　DSS%≤0.30　　熔点℃286-289　　灰份%≤0.03　　色度(5%乙醇中)Hazen≤15　　重金属(以Pb计)PPM≤10　　砷(以As计)PPM≤3　　溶解度(25℃)g/100g水≥1.0冷水溶富马酸比原富马酸在冷水中的溶解度提高65%以上，是一种口味更加纯正的酸味剂，其酸度为柠檬酸的2.5倍，而且乳化性、稳定性更好。它可以替代苹果酸、柠檬酸、苯甲酸广泛用于清凉饮料、饮品、酒类、果子酱、糕点、腌菜、面条、面包、馒头、凉拌菜等；并起着食品防霉剂、

　　外观白色结晶状粉末　　含量(总酸)%≥99.5　　水份%≤0.5　　熔点℃286—302　　灰份%≤0.05　　色度(5%乙醇中) Hazen≤15　　重金属(以Pb计)PPM≤10　　砷(以As计)PPM≤3食品级富马酸作为口味纯正的酸味剂，广泛用于制备碳酸饮料、酒、浓缩固体饮料、啤酒、冰淇淋以及各种冷食和饮料。它可以替代苹果酸、柠檬酸，其酸度为柠檬酸的1.5倍，并起着食品防霉剂、防腐剂、抗氧化剂的作用。

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