The project about ink whiteboard from nature. Established to study how plants of any type suitable for the ink for whiteboard. And to produce ink whiteboard made from natural plants using chemical agents to a minimum.Thought on ink whiteboard project from nature, and improve the quality of the color of น้ำหมึกไวท์บอร์ด from nature to the use and safer
.We can produce ink whiteboard from natural plants by extraction with methanol by the plant species. 3 Roselle red color, Libya. (red, purple, color ink) Green leaves and mortgage insurance by using the ratio of water ink that is different.The plant 200 g:Methyl alcohol 200 ml, plants 300 g: methanol 200 ml, plants 400 g: methanol 200 ml By doing 2 steps. 1 divides plants into each 100 g, G, 150And the 200 g, respectively, and bring each plant cut into small pieces, put in a plastic cup size 22 ounces. Then put the head down in 200 ml left 24 hours, then filter with some white cloth.Left 24 hours then filter the whiteboard pen is out of ink, and put on trial to the board, whiteboard
.From the experimental results of ink from Roselle no residuum. The scarlet when use of plants 400 g: methanol 200 ml can be used to write well, which meets the objective test.
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