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This study is about the metal tubing/frit prepared by treating a powdered silica with a strong base, drying it, scrubbing it into powders, putting it in the tip of metal tubing at a proper depth, and sintering the powders to form a durable sintered frit. This study is also about a liquid chromatographic column prepared by installing the metal tubing/frit at the column inlet and outlet unions and by...
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