Creating a black flame using a low pressure sodium vapor lamp and salt water https://t.co/uJO1hW73Af https://video.twimg.com/ext_tw_video/1803873090864021504/pu/vid/avc1/720x752/rm_6JXWprEYhGtiL.mp4?tag=12
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Creating a black flame using a low pressure sodium vapor lamp and salt water https://t.co/uJO1hW73Af https://video.twimg.com/ext_tw_video/1803873090864021504/pu/vid/avc1/720x752/rm_6JXWprEYhGtiL.mp4?tag=12
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