查看“︁四硫代钨酸铵”︁的源代码

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| Name = 四硫代钨酸铵
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|Section1={{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo = 13862-78-7
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|Section3={{Chembox Properties
| Formula = (NH<sub>4</sub>)<sub>2</sub>WS<sub>4</sub>
| MolarMass = 348.179
| Appearance = 橙色晶体<ref>W. M. Haynes. CRC Handbook of Chemistry and Physics 95<sup>th</sup>ed. CRC Press, 2014. pp 4-48</ref>
| Solubility = 可溶
| Density = 2.71g/cm<sup>3</sup>
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|Section8={{Chembox Related
| OtherAnions = [[四硫代钼酸铵]]
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'''四硫代钨酸铵'''是一种[[无机化合物]]，化学式为(NH<sub>4</sub>)<sub>2</sub>WS<sub>4</sub>。

==制备==
四硫代钨酸铵可由[[钨酸]]、[[氨水]]和[[硫化氢]]反应得到，反应在65~70℃水浴中进行：<ref>魏长平, 李海东. 四硫代钼酸铵与四硫代钨酸铵合成方法改进的研究.长春工业大学学报:自然科学版, 1994. 15(3): 56-59</ref>

: <chem>H2WO4 + 2 NH3*H2O + 4 H2S -> (NH4)2WS4 + 6 H2O</chem>

==化学性质==
四硫代钨酸铵受热分解，170~280℃时产生[[三硫化钨]]，260~500℃产生[[二硫化钨]]。<ref>Hunyadi, D., Vieira Machado Ramos, A.L. & Szilágyi, I.M. ''J Therm Anal Calorim'' (2015) 120: 209. doi:10.1007/s10973-015-4513-4</ref>
==参考文献==
{{reflist}}

{{铵盐}}

[[category:铵盐]]
[[category:硫代钨酸盐]]