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一、化学名：磷酸三钾
二、分子式：K3PO4 · nH2O
三、分子量：无水物：212.27
四、CAS: 7778-53-2
五、性状：白色无臭吸湿性结晶粉末或颗粒，相对密度为2.564。溶于水，不溶于乙醇。
六、用途：在食品工业中作缓冲剂、螯合剂、调味剂、乳化盐、抗氧化增效剂、钾的强化剂、肉质黏结剂。
七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋净重25kg。
八、贮存与运输： 本品应贮存在干燥通风清洁的库房中，装载运输时要轻装轻放，防止包装破损，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离。
质量指标 | Specification | FCC VII | |||
含量（K3PO4 ,灼烧干基），w/% ≥ | Content(K3PO4 , Ignited Basis),w/% ≥ | 97.0 | 97.0 | ||
砷（As），mg/kg ≤ | Arsenic(As),mg/kg ≤ | 3 | 3 | ||
氟化物（以F计），mg/kg ≤ | Fluoride(As F),mg/kg ≤ | 10 | 10 | ||
PH（10g/L溶液，25℃） | PH(10g/L，25℃) | 11.5-12.5 | ———— | ||
重金属（以Pb计），mg/kg ≤ | Heavy Metal(As Pb), mg/kg ≤ | 10 | ———— | ||
水不溶物，w/% ≤ | Insoluble Substances , w/% ≤ | 0.2 | 0.2 | ||
铅（Pb），mg/kg ≤ | Lead(Pb), mg/kg ≤ | 2 | 2 | ||
灼烧减量，w/% | 无水物 ≤ | Loss on Ignition, w/% | Anhydrous ≤ | 5.0 | 5.0 |
水合物 | Monohydrate | 8.0-20.0 | 8.0-20.0 | ||
1、Chemical Name: Tripotassium Phosphate
2、Molecular Formula: K3PO4· nH2O
3、Molecular Weight: Anhydrous:212.27
4、CAS: 7778-53-2
5、Character: It’s white crystal or granule, odorless, hygroscopic. Relative density is 2.564.
6、Usage: In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, and synergistic agent of anti-oxidation.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage & Transportation: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
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