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Mechanism For Mi Ing Mortar Sand

2015-2-5 · tion of pigment. Weighed 2 g fresh maize leaves, put it into a mortar, added a mixture of acetone ethanol (1:1) 10 mL, then added a little calcium carbonate and quartz sand, grinded into homogenate. Then added 80% ace-tone 5 mL, put the homogenate into a centrifuge tube, used 80% acetone to wash mortar. After centrifugation,

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