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、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 |
GB 1886.327-2021 |
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 ≤ |
3.0 |
3.0 |
||
氟化物(以F计),mg/kg ≤ |
Fluoride(as F),mg/kg ≤ |
10.0 |
10.0 |
||
pH值(10g/L溶液) |
pH value (10g/L Solution ) |
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 ≤ |
2.0 |
2.0 |
||
灼烧减量,w/% |
K3PO4 ≤ |
Loss on ignition, w/% |
K3PO4 ≤ |
5.0 |
5.0 |
K3PO4 · nH2O |
K3PO4 · nH2O |
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.