White ink a natural story project intended to study what kind of plants that are suitable for making white and ink to produce the ink whiteboard that is made from natural plant using the chemical, because white pen is a device key used in teaching and learning and the Whiteboard pens are sold in the local market but has the smell and stinky chemicals harm the body must. So make the ink Whiteboard project subject from nature and improve the quality of the ink color, white, natural, so the probability of use, and more secure. We can also manufacture ink Whiteboard from a natural plant extract with Methyl salicylate have alcohol with 3 types of plants is a red hibiscus, Vegetables on plang (squid balls), and her mother, violet, red, green, using a ratio of water ink that is 200 grams of plant: 200 ml alcohol, Methyl salicylate, Methyl salicylate, alcohol, vegetable 300 g 200 ml, plants: 400 g: 200 ml alcohol, Methyl salicylate by doing 2 steps. Step 1: divide the plant into each 100 grams, 150. G, 200 g and respectively and each type of plant organs are the small pieces of plastic to glass size 22 ounce alcohol, Methyl salicylate, and then enter into quantity 200 ml. 24 am, then filter by chua, white fabric, vegetable and sometimes the rest of each type to compounds that filter on each of the other types of leave for 24 hours, then filter and then put the ink pen, whiteboard, and a trial with white board.From the experimental results, there is no ink residue sludge from guava. There is a dark red when using plant 400 g quantity: 200 ml alcohol, Methyl salicylate can be written that meets the purpose of trial.
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