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二氧化硒

 
 
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發(fā)貨 江蘇蘇州市付款后24小時(shí)內(nèi)
過期 長(zhǎng)期有效
更新 2013-10-14 08:46
 

盛興集團(tuán)(蘇州)貿(mào)易有限公司

企業(yè)會(huì)員第14年
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二氧化硒
長(zhǎng)期供應(yīng)進(jìn)口二氧化硒;性狀  白色結(jié)晶粉末。密度3.99g/cm3。熔點(diǎn)340℃。高于315℃升華形成的結(jié)晶體是白色有光澤的針狀物,有時(shí)達(dá)數(shù)厘米的長(zhǎng)度。
蒸氣呈淺黃綠色,并具有特殊的似爛葡萄的氣味。具有吸濕性,特別有硒酸存在時(shí)吸濕性更強(qiáng)。易溶于水、酒精和硫酸。空氣中與塵埃接觸時(shí)還原成元素硒,變?yōu)闇\紅色。
用途:用于整流器、照相曝光劑、治金添加劑、石油化工作催化劑、復(fù)印硒鼓、硒感光板、合金、塑料  以及油  漆、搪瓷和玻璃中的顏料等等

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