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一、化學(xué)名：硫酸鈉
二、分子式：Na2SO4；Na2SO4·10H2O
三、分子量：無(wú)水：142.04；十水：322.24
四、CAS：無(wú)水：7757-82-6；十水：7727-73-3
五、性狀：白色單斜晶系結(jié)晶或粉末，無(wú)臭。有苦咸味，相對(duì)密度2.68，熔點(diǎn)884℃，溶于水，水溶液呈中性或弱堿性，溶于甘油，不溶于乙醇。暴露于空氣中易吸濕成為含水硫酸鈉。高純度、顆粒細(xì)的無(wú)水硫酸鈉稱(chēng)為元明粉。
六、用途：主要用于制造水玻璃、玻璃、瓷釉、紙漿、制冷混合劑、洗滌劑、干燥劑、染料稀釋劑、分析化學(xué)試劑、醫(yī)藥品、飼料等。
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(yùn)輸：本品應(yīng)貯存在干燥通風(fēng)清潔的庫(kù)房中，裝載運(yùn)輸時(shí)要輕裝輕放，防止包裝破損，防止受潮、受熱，運(yùn)輸過(guò)程中防止雨淋受潮，應(yīng)與有毒物品隔離。
1、Chemical Name: Sodium Sulfate
2、Molecular Formula: Na2SO4 , Na2SO4·10H2O
3、Molecular Weight: Anhydrous: 142.04 ; Decahydrate:322.24
4、CAS: Anhydrous:7757-82-6 ; Decahydrate:7727-73-3
5、Character: It’s white monoclinic crystal or crystalline powder, odorless. It tastes bitter and salty. Relative density is 2.68. Melting point is 884℃. It’s soluble in water and glycerin, insoluble in ethanol. Aqueous solution is alkaline. When exposed to air, it’ll easily absorb moisture and turn into aqueous Sodium Sulfate. Fine Sodium Sulfate Decahydrate with high purity is called glauber salt.
6、Usage: It is mainly used to make water glass, glass, enamel, pulp, refrigeration mixture, detergent, desiccant, dye diluent, analytical chemical reagent, medicine, feed, etc.
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.