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momabow

木虫 (著名写手)

[求助] 热重负值 已有3人参与

本人做聚合物在空气中的热重分析,其中TG曲线在最后出现负值,达到-11%,请问大家这是怎么回事,有没有相关的论文可以解释?

热重负值
Graph1.jpg
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momabow

木虫 (著名写手)

送红花一朵
引用回帖:
6楼: Originally posted by wkjacky at 2014-10-03 20:17:00
先做一个baseline看看,不用试件。

谢谢帮助
8楼2014-10-04 07:04:40
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zznjut

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万里独行之江湖散人

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【答案】应助回帖

感谢参与,应助指数 +1
your TG instrument requires to be calibrated...
禾口言皆土也王求
2楼2014-10-02 23:17:24
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momabow

木虫 (著名写手)

引用回帖:
2楼: Originally posted by zznjut at 2014-10-02 23:17:24
your TG instrument requires to be calibrated...

如何校准?
3楼2014-10-03 10:28:53
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momabow

木虫 (著名写手)

引用回帖:
2楼: Originally posted by zznjut at 2014-10-02 23:17:24
your TG instrument requires to be calibrated...

我是在空气气氛下做的,会不会是氧化了?因为做的另一组负值就一点,没有这个这么大,求指教
4楼2014-10-03 10:31:14
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