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Unformatted text preview: 3 ] might appear briefly. After adding all the hydrogen peroxide, heat to boiling. To the boiling solution add 8 mL of 1 M H 2 C 2 O 4 the first 5 mL all at once and the last 3 mL very slowlykeeping the solution boiling. Set up a funnel with filter paper on a ring-stand and gravity filter the boiling solution into a clean plastic specimen cup (see Figure 2.2). Figure 2.2 Gravity filtration apparatus....
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- Winter '07