硒粉(Selenium),化学式Se,黑灰色非金属,溶于浓硫酸、三氯甲烷,微溶于二硫化碳,有毒,不溶于水、乙醇。 硒粉通常呈粉状或颗粒状,外观纯净,颜色一致,纯度可达99.99%,无泥土等杂质,成分稳定,水分均匀。
应硒粉【中文名称】:硒粉【英文名称】:Selenium Powder 【分子式】(Formula):Se【分子量 】(Molecular Weight):78.96【外观 】(Appearance):黑灰色六方晶系金属【CAS N
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描述: 中文名称:硒粉英文名称:Selenium 分子式(Formula): Se 分子量(Molecular Weight): 78.96 CAS No.: 7782-49-2 外观(Appearance):
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粉 【中文名】:硒粉 【英文名】:selen 2-Amino-4-Methylbenzothiazole 98% ****Section 1 - Chemical Product And Comp
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所述硒源为含硒化合物与还原剂组成的体系,或者为金属硒粉。
The selenium source is mixture system comprising selenide and reductant or metal selenium powder.
这也帮我们节省大量在纸张和硒粉上的花费——所有的讲义都是电子稿,它们都是彩色的,多媒体的。
This would also save a lot of money currently spent on paper and toner - all hand-outs would be electronic, in colour, and multi-media capable.
含铁、含锌与含硒的麦芽粉要分别按比例加入面包,面包中有机态的铁、锌、硒含量均大大提高。
In addition, the amount of Iron and Zinc and Selenium in bread is increased greatly by proper addition of the wheat malt powder.
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