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shidiqiyan

木虫 (初入文坛)

【答案】应助回帖

我有时测试也是斜的,好像是水的原因,如果天气潮湿再加上处理过剩中不注意除湿水就会影响很大
11楼2012-08-19 21:28:36
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yukepotato

金虫 (正式写手)

美猴王

【答案】应助回帖

楼主在扫完空白后扫过聚乙烯薄膜片没?看看那个图正不正常
永远不要带着问题去找你的上司!
12楼2012-08-20 10:50:32
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pifuwei

金虫 (小有名气)

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★ ★
soundhorizo: 金币+2, 感谢应助 欢迎常来分析版指导交流 ^^ 2012-08-20 22:11:49
Different wavelength of IR beam has different transmittance in KBr.  So. your baseline shows shift when you measure background without using KBr plate.   When you measure the background with KBr palte, the measurement conditions are same between the background and sample. So, there is no shift.
13楼2012-08-20 20:41:19
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