Sample cell for infrared detection of germanium tetrachloride and silicon tetrachloride
A technology of silicon tetrachloride and infrared detection, which is applied in the direction of measuring devices, sampling devices, and material analysis through optical means, can solve the problems of non-removable cleaning, sample measurement errors, and inconvenient observation of germanium lens corrosion, etc., to achieve sealing Good effect, improve accuracy, avoid contact effect
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[0021] Example 1
[0022] Connect the discharge port of the germanium tetrachloride system to be tested with the inlet 5 of the three-way ball valve of the sample pool (L=100mm), connect the outlet 9 of the three-way ball valve of the sample pool with the tail gas receiving bottle, and open the discharge 3 sequentially Through the ball valve rotating handle 11 and the feed three-way ball valve rotating handle 6, the germanium tetrachloride sample enters the three-way ball valve feed port 5 during the sampling process, and when there is liquid outflow from the three-way ball valve outlet 9 of the sample pool, the sequence is closed The rotating handle 6 of the feeding three-way ball valve and the rotating handle 11 of the outlet three-way ball valve. The sampling process is over.
[0023] The mid-infrared measurement results of germanium tetrachloride are as follows:
[0024] Wave number cm -1 (Impurities) Transmittance (%) 3610±2cm -1 (GeCl 3 OH) 97.5 2970~2925cm -1 (CH) 99 28...
Example Embodiment
[0026] Example 2:
[0027] Connect the system discharge port of the silicon tetrachloride to be tested with the sample pool (L=100mm) three-way ball valve inlet 5, the sample pool three-way ball valve outlet 9 is connected with the tail gas receiving bottle, and open the discharge 3 sequentially Through the ball valve rotating handle 11 and the feed three-way ball valve rotating handle 6, the silicon tetrachloride sample enters from the three-way ball valve feed port 5 during the sampling process, and when liquid flows out from the three-way ball valve outlet 9 of the sample pool, the sequence is closed The rotating handle 6 of the three-way ball valve for feeding and the rotating handle 11 of the three-way ball valve for outgassing. The sampling process is over.
[0028] The infrared measurement results of silicon tetrachloride samples are as follows:
[0029] Wave number cm -1 (Impurities) Transmittance (%) 3666cm -1 (SiCl 3 OH) 97.05 3100-3020cm -1 (CH aromat) No peak 297...
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