Is the ink of blue ball pen really purely blue in colour?
回答 (2)
2008-04-06 5:22 am
✔ 最佳答案
no it is not purely blueyou can try experiment of chromatography(put a paper that have a dot of ink vertically in water but the ink should no be immerse in water ,wait for an hour, you will find that the ink is mix with many different colour)
It can seperate the mixture of pigment in ink
參考: my own knowledge
2008-04-06 4:27 am
No.not really purely blue!
收錄日期: 2021-04-21 14:37:22
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