科信化工-食品級磷酸鉀無水生產(chǎn)廠家-供應-批發(fā)
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磷酸三鉀 TRIPOTASSIUM PHOSPHATE
一、化學名: 磷酸三鉀
二、分子式: K3PO4· nH2O
三、分子量: 無水物:212.27
四、CAS: 7778-53-2
五、性狀: 白色無臭吸濕性結(jié)晶粉末或顆粒,相對密度為2.564。
六、用途: 在食品工業(yè)中作緩沖劑、螯合劑、酵母食料、乳化鹽、抗氧化增效劑。
七、包裝: 內(nèi)襯聚乙烯塑料袋,外套復合塑料編織袋包裝,每袋凈重25kg。
八、貯存與運輸: 本品應貯存在干燥通風清潔的庫房中,裝載運輸時要輕裝輕放,防止包裝破損,防止受潮、受熱,運輸過程中防止雨淋受潮,應與有毒物品隔離。
質(zhì)量指標 | Specification | GB25563-2010 | FCC VII | ||
含量(K3PO4 ,灼燒干基),w/% ≥ | Content(K3PO4 , Dry Basis),w/% ≥ | 97.0 | 97.0 | ||
砷(As), mg/kg ≤ | Arsenic(As), mg/kg ≤ | 3 | 3 | ||
氟化物(以F計), mg/kg ≤ | Fluoride(F),mg/kg ≤ | 10 | 10 | ||
pH(10g/L溶液,25℃) | pH (10g/L,25℃) | 11.5-12.5 | ———— | ||
重金屬(以Pb計),mg/kg ≤ | Heavy Metals(Pb), mg/kg ≤ | 10 | ———— | ||
水不溶物, w/% ≤ | Insoluble Substances , w/% ≤ | 0.2 | 0.2 | ||
鉛(Pb), mg/kg ≤ | Lead(Pb), mg/kg ≤ | 2 | 2 | ||
灼燒減量, w% | 無水物 ≤ | 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.