硫酸鉀

所屬分類：硫酸鹽
點擊次數(shù)：
發(fā)布日期：2020/04/23
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詳細(xì)介紹

硫酸鉀 POTASSIUM SULFATE

一、化學(xué)名：硫酸鉀

二、分子式：K₂SO₄

三、分子量：174.26

四、CAS：7778-80-5

五、性狀：無色或白色硬質(zhì)結(jié)晶，或結(jié)晶性粉末。有苦咸味。相對密度2.662，熔點1069℃。1g溶于約8.5ml的水，不溶于乙醇、丙酮，5%水溶液的pH值5.5-8.5.。

六、用途：調(diào)味劑、膳食用代鹽劑。

七、包裝：內(nèi)襯聚乙烯塑料袋，外套復(fù)合塑料編織袋包裝，每袋凈重25kg。

八、貯存與運輸：本品應(yīng)貯存在干燥通風(fēng)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(yīng)與有毒物品隔離。

質(zhì)量指標(biāo)	Specification	FCC VII
含量（K₂SO₄），w/%	Content(K₂SO₄) ,w/%	99.0-100.5
鉛(Pb)，mg/kg ≤	Lead(Pb),mg/kg ≤	2
硒(Se)，mg/kg ≤	Selenium(Se),mg/kg ≤	5

1、Chemical Name: Potassium Sulfate

2、Molecular Formula : K₂SO₄

3、Molecular Weight: 174.26

4、CAS: 7778-80-5

5、Character: It occurs as colorless or white hard crystal or as crystalline powder. It tastes bitter and salty. Relative density is 2.662. 1g dissolves in about 8.5mL of water. It’s insoluble in ethanol and acetone. The pH of 5% aqueous solution is about 5.5 to 8.5.

6、Usage: It is used as seasoning and salt substitute.

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 and Transport: 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.