Test method for acetylene containing phosphine? ?

2017-02-11 View Original

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We used sodium hypochlorite to remove phosphine, and tested with silver nitrate test strips. However, as time went by while the system was in use, dust accumulated inside the pipes more and more; when testing at the outlet with test strips, no change could be detected at all. The outlet was too open, and everything there was blackish-gray in color. Testing with water gave the same result, and it was determined that the acetylene gas was too contaminated. The ongoing problem? ? ? Is there any good solution? Install equipment to improve the purity of acetylene gas, or other methods for testing for phosphine. Thank you very much. Could everyone please help analyze this?

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Test method for acetylene containing phosphine? ?

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