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xiuqin752

木虫 (小有名气)

[求助] TiO2热重分析气氛

请问做TiO2的TG-DSC分析,是在氮气气氛下好还是空气气氛呢?我在氮气气氛下做的,DSC曲线400℃以后出现一个很大的馒头峰,不知道怎么回事?
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司水良言

铁杆木虫 (正式写手)

【答案】应助回帖

xiuqin752(金币+1): 2011-05-31 08:48:19
xiuqin752(金币+2): 2011-08-23 18:01:42
感觉相比来说氮气气氛更好些吧。我没有测到过这么高的温度,也没碰到过馒头峰,一般都是失重的吧,建议楼主检查下仪器状况及其参数情况
2楼2011-05-30 12:39:55
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