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無(wú)水磷酸氫二鉀輕質(zhì)

無(wú)水磷酸氫二鉀輕質(zhì)

產(chǎn)品描述/ Product Description

一、化學(xué)名:磷酸氫二鉀

二、分子式:K2HPO4?;K2HPO4·3H2O

三、分子量:無(wú)水物:174.178;三水物:228.238

四、CAS無(wú)水物:7758-11-4;三水物:16788-57-1

五、性狀:無(wú)色或白色正方晶體粉末或顆粒,易潮解,呈堿性不溶于乙醇,1﹪水溶液的PH值約為9。具有吸濕性。

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(fēng)清潔的庫房中,裝載運輸時(shí)要輕裝輕放,防止包裝破損,防止受潮、受熱,運輸過(guò)程中防止雨淋受潮,應與有毒物品隔離。

質(zhì)量指標 Specification GB 1886.334-2021 FCC VII
含量(以干基計),w/%?????≥ Content(On dry basis), w/%??????≥ 98.0 98.0
砷(As),mg/kg???????????≤ Arsenic(As),mg/kg?????????????≤ 3.0 3.0
氟化物(以F計),mg/kg????≤ Fluoride(as F),mg/kg???????????≤ 10.0 10.0
重金屬(以Pb計),mg/kg???≤ Heavy metal(as Pb),mg/kg ??????≤ 10 ———
水不溶物(以干基計),w/%??≤ Insoluble substances(On dry basis),w/% 0.2 0.2
鉛(Pb),mg/kg ?????????? Lead (Pb),mg/kg??????????????≤ 2.0 2.0
干燥減量,w/% K2HPO4??≤ Loss on drying,w/%? K2HPO4 ??????≤ 2.0 2.0
K2HPO4·H2O Loss on drying,w/%? K2HPO4·H2O 22.0-26.0 ———
pH值(10g/L溶液) pH value?(10g/L?Solution ) 9.0±0.4 ———

1、Chemical Name: Dipotassium Phosphate

2、Molecular Formula:?K2HPO4?; K2HPO4· 3H2O

3、Molecular Weight:?Anhydrous:174.178?; Trihydrate:228.238

4、CAS:?Anhydrous:7758-11-4?; Trihydrate:16788-57-1

5、Character:?It’s colorless or white square crystal granule or powder, easily deliquescent, alkaline, insoluble in ethanol. PH value is about 9 in 1% aqueous solution.

6、Usage:?In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.

7、Packing:?It is packed with a polyethylene bag as the 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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