For demonstrating combining volume ratios of gases. Long, sturdy tubes have platinum electrodes sealed at the closed end, Amber graduation capacity 50 ml.
For demonstrating combining volume ratios of gases. Long, sturdy tubes have platinum electrodes sealed at the closed end, Amber graduation capacity 50 ml.
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For demonstrating combining volume ratios of gases. Long, sturdy tubes have platinum electrodes sealed at the closed end, Amber graduation capacity 50 ml.