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10%过硫酸铵的配制要注意什么?

来源:http://www.jnjhhg.cn/ 日期:2022-02-15 发布人: 浏览次数:0
过硫酸铵为白色结晶或粉末。无气味。干燥纯品能稳定数月,受潮时逐渐分解放出含臭氧的氧,加热则分解出氧气而成过硫酸铵过硫酸铵为焦硫酸铵。易溶于水,水溶液呈酸性,并在室温中逐渐分解,在较高温度时很快分解放出氧气,并生成硫酸氢铵。10%过硫酸铵的配制的配置属于溶质的质量分数问题。可用下式表示:溶质的质量分数=(溶质质量/溶液质量)×100%。下面是详细配置过程。
Ammonium persulfate is white crystal or powder. Odorless. The dry pure product can be stable for several months. When it is wet, it will gradually decompose and release oxygen containing ozone, and when heated, it will decompose oxygen to form ammonium persulfate, which is ammonium pyrosulfate. It is easily soluble in water. The aqueous solution is acidic and decomposes gradually at room temperature. At higher temperature, it decomposes quickly to release oxygen and produce ammonium bisulfate. The preparation of 10% ammonium persulfate belongs to the mass fraction of solute. It can be expressed by the following formula: mass fraction of solute = (solute mass / solution mass) & times; 100%。 The following is the detailed configuration process.
组份浓度: 10%(W/V)过硫酸铵
Component concentration: 10% (w / V) ammonium persulfate
海外npv加速器试用
配制量:
Preparation amount:
配制方法:
Preparation method:
称取1g过硫酸铵。
Weigh 1g ammonium persulfate.
加入10mL的去离子水后搅拌溶解。
Add 10ml of deionized water and stir to dissolve.
贮存于4℃。
Store at 4 ℃.
注意:10%过硫酸胺溶液在4℃保存时间可使用2周左右,超过期限会失去催化作用。
The catalytic effect of amine solution will be lost if it is used for more than 4 weeks.
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The above is the knowledge brought to you today. Potassium persulfate has focused on the industry for many years and continuously provides users with valuable content. Please continue to pay attention to us for more content: http://www.jnjhhg.cn

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