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[求助]
光譜分析求助
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| 我有一個樣品,最上層是玻璃,中間層是硅膠,最下層是玻璃,各層之間是緊密接觸的,為了檢測硅膠中是否含水,可以采用紅外光譜分析或者TGA分析方法嗎?請高手指點,謝謝。 |
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專家顧問 (知名作家)
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專家經(jīng)驗: +1438 |
鐵桿木蟲 (著名寫手)
金蟲 (小有名氣)
金蟲 (小有名氣)
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You can use TGA to try to analyze the water. Glass substrate has absorption in IR region. so, it is not good to test water with glass substrate by using IR. Si rubber will become C around 400 oC, so you can heat your sample with TGA around 200-300 oC to see the change around 100oc in the curve of TGA. |
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